Home / 152,989,126.83-229,551,458.09-80,188,606.17

Finding the Fourth Proportional to 152,989,126.83, 229,551,458.09 and 80,188,606.17

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Solution

The fourth proportional to 152,989,126.83, 229,551,458.09 and 80,188,606.17 is: 120,318,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,989,126.83 : 229,551,458.09 = 80,188,606.17 : x
  2. Step 2: Convert to fraction form
    152,989,126.83/229,551,458.09 = 80,188,606.17/x
  3. Step 3: Cross multiply
    152,989,126.83x = 229,551,458.09 × 80,188,606.17
  4. Step 4: Simplify right side
    152,989,126.83x = 18,407,411,468,127,328
  5. Step 5: Solve for x
    x = 18,407,411,468,127,328/152,989,126.83
  6. Step 6: Final answer
    x = 120,318,429.48

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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.