Home / 99,816,336.32-137,746,966.50-54,553,995.72

Finding the Fourth Proportional to 99,816,336.32, 137,746,966.50 and 54,553,995.72

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Solution

The fourth proportional to 99,816,336.32, 137,746,966.50 and 54,553,995.72 is: 75,284,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,816,336.32 : 137,746,966.50 = 54,553,995.72 : x
  2. Step 2: Convert to fraction form
    99,816,336.32/137,746,966.50 = 54,553,995.72/x
  3. Step 3: Cross multiply
    99,816,336.32x = 137,746,966.50 × 54,553,995.72
  4. Step 4: Simplify right side
    99,816,336.32x = 7,514,647,420,883,983
  5. Step 5: Solve for x
    x = 7,514,647,420,883,983/99,816,336.32
  6. Step 6: Final answer
    x = 75,284,744.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.