Home / 72,817,004.90-109,152,024.15-36,369,337.70

Finding the Fourth Proportional to 72,817,004.90, 109,152,024.15 and 36,369,337.70

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Solution

The fourth proportional to 72,817,004.90, 109,152,024.15 and 36,369,337.70 is: 54,517,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,817,004.90 : 109,152,024.15 = 36,369,337.70 : x
  2. Step 2: Convert to fraction form
    72,817,004.90/109,152,024.15 = 36,369,337.70/x
  3. Step 3: Cross multiply
    72,817,004.90x = 109,152,024.15 × 36,369,337.70
  4. Step 4: Simplify right side
    72,817,004.90x = 3,969,786,826,949,906
  5. Step 5: Solve for x
    x = 3,969,786,826,949,906/72,817,004.90
  6. Step 6: Final answer
    x = 54,517,304.47

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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.