Home / 42,101,200.80-63,151,801.20-38,951,920.80

Finding the Fourth Proportional to 42,101,200.80, 63,151,801.20 and 38,951,920.80

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Solution

The fourth proportional to 42,101,200.80, 63,151,801.20 and 38,951,920.80 is: 58,427,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,101,200.80 : 63,151,801.20 = 38,951,920.80 : x
  2. Step 2: Convert to fraction form
    42,101,200.80/63,151,801.20 = 38,951,920.80/x
  3. Step 3: Cross multiply
    42,101,200.80x = 63,151,801.20 × 38,951,920.80
  4. Step 4: Simplify right side
    42,101,200.80x = 2,459,883,958,719,745
  5. Step 5: Solve for x
    x = 2,459,883,958,719,745/42,101,200.80
  6. Step 6: Final answer
    x = 58,427,881.20

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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.