Home / 100,970,032.30-151,455,048.45-83,751,343.90

Finding the Fourth Proportional to 100,970,032.30, 151,455,048.45 and 83,751,343.90

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Solution

The fourth proportional to 100,970,032.30, 151,455,048.45 and 83,751,343.90 is: 125,627,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,970,032.30 : 151,455,048.45 = 83,751,343.90 : x
  2. Step 2: Convert to fraction form
    100,970,032.30/151,455,048.45 = 83,751,343.90/x
  3. Step 3: Cross multiply
    100,970,032.30x = 151,455,048.45 × 83,751,343.90
  4. Step 4: Simplify right side
    100,970,032.30x = 12,684,563,848,127,112
  5. Step 5: Solve for x
    x = 12,684,563,848,127,112/100,970,032.30
  6. Step 6: Final answer
    x = 125,627,015.85

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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.