Home / 96,940,909.80-145,411,364.70-66,329,908.20

Finding the Fourth Proportional to 96,940,909.80, 145,411,364.70 and 66,329,908.20

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Solution

The fourth proportional to 96,940,909.80, 145,411,364.70 and 66,329,908.20 is: 99,494,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,940,909.80 : 145,411,364.70 = 66,329,908.20 : x
  2. Step 2: Convert to fraction form
    96,940,909.80/145,411,364.70 = 66,329,908.20/x
  3. Step 3: Cross multiply
    96,940,909.80x = 145,411,364.70 × 66,329,908.20
  4. Step 4: Simplify right side
    96,940,909.80x = 9,645,122,471,787,720
  5. Step 5: Solve for x
    x = 9,645,122,471,787,720/96,940,909.80
  6. Step 6: Final answer
    x = 99,494,862.30

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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.