Home / 106,704,329.88-147,206,885.20-71,433,498.70

Finding the Fourth Proportional to 106,704,329.88, 147,206,885.20 and 71,433,498.70

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Solution

The fourth proportional to 106,704,329.88, 147,206,885.20 and 71,433,498.70 is: 98,548,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,704,329.88 : 147,206,885.20 = 71,433,498.70 : x
  2. Step 2: Convert to fraction form
    106,704,329.88/147,206,885.20 = 71,433,498.70/x
  3. Step 3: Cross multiply
    106,704,329.88x = 147,206,885.20 × 71,433,498.70
  4. Step 4: Simplify right side
    106,704,329.88x = 10,515,502,842,208,082
  5. Step 5: Solve for x
    x = 10,515,502,842,208,082/106,704,329.88
  6. Step 6: Final answer
    x = 98,548,042.56

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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.