Home / 106,206,204.65-159,309,306.98-77,508,390.65

Finding the Fourth Proportional to 106,206,204.65, 159,309,306.98 and 77,508,390.65

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Solution

The fourth proportional to 106,206,204.65, 159,309,306.98 and 77,508,390.65 is: 116,262,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,206,204.65 : 159,309,306.98 = 77,508,390.65 : x
  2. Step 2: Convert to fraction form
    106,206,204.65/159,309,306.98 = 77,508,390.65/x
  3. Step 3: Cross multiply
    106,206,204.65x = 159,309,306.98 × 77,508,390.65
  4. Step 4: Simplify right side
    106,206,204.65x = 12,347,807,999,199,070
  5. Step 5: Solve for x
    x = 12,347,807,999,199,070/106,206,204.65
  6. Step 6: Final answer
    x = 116,262,585.98

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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.