Home / 107,861,814.40-161,792,721.60-39,753,385.60

Finding the Fourth Proportional to 107,861,814.40, 161,792,721.60 and 39,753,385.60

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Solution

The fourth proportional to 107,861,814.40, 161,792,721.60 and 39,753,385.60 is: 59,630,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,861,814.40 : 161,792,721.60 = 39,753,385.60 : x
  2. Step 2: Convert to fraction form
    107,861,814.40/161,792,721.60 = 39,753,385.60/x
  3. Step 3: Cross multiply
    107,861,814.40x = 161,792,721.60 × 39,753,385.60
  4. Step 4: Simplify right side
    107,861,814.40x = 6,431,808,449,038,249
  5. Step 5: Solve for x
    x = 6,431,808,449,038,249/107,861,814.40
  6. Step 6: Final answer
    x = 59,630,078.40

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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.