Home / 42,126,337.20-63,189,505.80-35,323,892.40

Finding the Fourth Proportional to 42,126,337.20, 63,189,505.80 and 35,323,892.40

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Solution

The fourth proportional to 42,126,337.20, 63,189,505.80 and 35,323,892.40 is: 52,985,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126,337.20 : 63,189,505.80 = 35,323,892.40 : x
  2. Step 2: Convert to fraction form
    42,126,337.20/63,189,505.80 = 35,323,892.40/x
  3. Step 3: Cross multiply
    42,126,337.20x = 63,189,505.80 × 35,323,892.40
  4. Step 4: Simplify right side
    42,126,337.20x = 2,232,099,303,688,375.75
  5. Step 5: Solve for x
    x = 2,232,099,303,688,375.75/42,126,337.20
  6. Step 6: Final answer
    x = 52,985,838.60

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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.