Home / 123,700,566.52-170,702,105.11-68,699,965.96

Finding the Fourth Proportional to 123,700,566.52, 170,702,105.11 and 68,699,965.96

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Solution

The fourth proportional to 123,700,566.52, 170,702,105.11 and 68,699,965.96 is: 94,803,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,566.52 : 170,702,105.11 = 68,699,965.96 : x
  2. Step 2: Convert to fraction form
    123,700,566.52/170,702,105.11 = 68,699,965.96/x
  3. Step 3: Cross multiply
    123,700,566.52x = 170,702,105.11 × 68,699,965.96
  4. Step 4: Simplify right side
    123,700,566.52x = 11,727,228,810,357,342
  5. Step 5: Solve for x
    x = 11,727,228,810,357,342/123,700,566.52
  6. Step 6: Final answer
    x = 94,803,355.72

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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.