Home / 72,792,562.70-109,111,159.65-36,329,149.10

Finding the Fourth Proportional to 72,792,562.70, 109,111,159.65 and 36,329,149.10

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Solution

The fourth proportional to 72,792,562.70, 109,111,159.65 and 36,329,149.10 is: 54,454,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,792,562.70 : 109,111,159.65 = 36,329,149.10 : x
  2. Step 2: Convert to fraction form
    72,792,562.70/109,111,159.65 = 36,329,149.10/x
  3. Step 3: Cross multiply
    72,792,562.70x = 109,111,159.65 × 36,329,149.10
  4. Step 4: Simplify right side
    72,792,562.70x = 3,963,915,587,398,754
  5. Step 5: Solve for x
    x = 3,963,915,587,398,754/72,792,562.70
  6. Step 6: Final answer
    x = 54,454,953.09

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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.