Home / 72,757,295.60-109,135,943.40-49,799,044.40

Finding the Fourth Proportional to 72,757,295.60, 109,135,943.40 and 49,799,044.40

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Solution

The fourth proportional to 72,757,295.60, 109,135,943.40 and 49,799,044.40 is: 74,698,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,757,295.60 : 109,135,943.40 = 49,799,044.40 : x
  2. Step 2: Convert to fraction form
    72,757,295.60/109,135,943.40 = 49,799,044.40/x
  3. Step 3: Cross multiply
    72,757,295.60x = 109,135,943.40 × 49,799,044.40
  4. Step 4: Simplify right side
    72,757,295.60x = 5,434,865,691,012,487
  5. Step 5: Solve for x
    x = 5,434,865,691,012,487/72,757,295.60
  6. Step 6: Final answer
    x = 74,698,566.60

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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.