Home / 42,631,446.60-63,947,169.90-39,776,099.40

Finding the Fourth Proportional to 42,631,446.60, 63,947,169.90 and 39,776,099.40

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Solution

The fourth proportional to 42,631,446.60, 63,947,169.90 and 39,776,099.40 is: 59,664,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631,446.60 : 63,947,169.90 = 39,776,099.40 : x
  2. Step 2: Convert to fraction form
    42,631,446.60/63,947,169.90 = 39,776,099.40/x
  3. Step 3: Cross multiply
    42,631,446.60x = 63,947,169.90 × 39,776,099.40
  4. Step 4: Simplify right side
    42,631,446.60x = 2,543,568,986,291,088
  5. Step 5: Solve for x
    x = 2,543,568,986,291,088/42,631,446.60
  6. Step 6: Final answer
    x = 59,664,149.10

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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.