Home / 85,100,544,051.60-127,650,816,077.40-83,939,593,472.40

Finding the Fourth Proportional to 85,100,544,051.60, 127,650,816,077.40 and 83,939,593,472.40

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Solution

The fourth proportional to 85,100,544,051.60, 127,650,816,077.40 and 83,939,593,472.40 is: 125,909,390,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,544,051.60 : 127,650,816,077.40 = 83,939,593,472.40 : x
  2. Step 2: Convert to fraction form
    85,100,544,051.60/127,650,816,077.40 = 83,939,593,472.40/x
  3. Step 3: Cross multiply
    85,100,544,051.60x = 127,650,816,077.40 × 83,939,593,472.40
  4. Step 4: Simplify right side
    85,100,544,051.60x = 10,714,957,607,957,056,978,944
  5. Step 5: Solve for x
    x = 10,714,957,607,957,056,978,944/85,100,544,051.60
  6. Step 6: Final answer
    x = 125,909,390,208.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.