Home / 85,100,544,077.60-127,650,816,116.40-38,662,520,909.60

Finding the Fourth Proportional to 85,100,544,077.60, 127,650,816,116.40 and 38,662,520,909.60

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Solution

The fourth proportional to 85,100,544,077.60, 127,650,816,116.40 and 38,662,520,909.60 is: 57,993,781,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,100,544,077.60 : 127,650,816,116.40 = 38,662,520,909.60 : x
  2. Step 2: Convert to fraction form
    85,100,544,077.60/127,650,816,116.40 = 38,662,520,909.60/x
  3. Step 3: Cross multiply
    85,100,544,077.60x = 127,650,816,116.40 × 38,662,520,909.60
  4. Step 4: Simplify right side
    85,100,544,077.60x = 4,935,302,347,227,819,671,552
  5. Step 5: Solve for x
    x = 4,935,302,347,227,819,671,552/85,100,544,077.60
  6. Step 6: Final answer
    x = 57,993,781,364.40

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Double scale
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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.