Home / 61,917,331.20-92,673,898.08-45,518,274.60

Finding the Fourth Proportional to 61,917,331.20, 92,673,898.08 and 45,518,274.60

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Solution

The fourth proportional to 61,917,331.20, 92,673,898.08 and 45,518,274.60 is: 68,128,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,917,331.20 : 92,673,898.08 = 45,518,274.60 : x
  2. Step 2: Convert to fraction form
    61,917,331.20/92,673,898.08 = 45,518,274.60/x
  3. Step 3: Cross multiply
    61,917,331.20x = 92,673,898.08 × 45,518,274.60
  4. Step 4: Simplify right side
    61,917,331.20x = 4,218,355,941,057,853
  5. Step 5: Solve for x
    x = 4,218,355,941,057,853/61,917,331.20
  6. Step 6: Final answer
    x = 68,128,839.85

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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.