Home / 102,554,143.85-141,526,405.91-56,143,632.17

Finding the Fourth Proportional to 102,554,143.85, 141,526,405.91 and 56,143,632.17

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Solution

The fourth proportional to 102,554,143.85, 141,526,405.91 and 56,143,632.17 is: 77,479,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,554,143.85 : 141,526,405.91 = 56,143,632.17 : x
  2. Step 2: Convert to fraction form
    102,554,143.85/141,526,405.91 = 56,143,632.17/x
  3. Step 3: Cross multiply
    102,554,143.85x = 141,526,405.91 × 56,143,632.17
  4. Step 4: Simplify right side
    102,554,143.85x = 7,945,806,475,753,154
  5. Step 5: Solve for x
    x = 7,945,806,475,753,154/102,554,143.85
  6. Step 6: Final answer
    x = 77,479,136.17

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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.