Home / 122,484,140.57-168,914,575.81-89,391,972.89

Finding the Fourth Proportional to 122,484,140.57, 168,914,575.81 and 89,391,972.89

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Solution

The fourth proportional to 122,484,140.57, 168,914,575.81 and 89,391,972.89 is: 123,278,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,484,140.57 : 168,914,575.81 = 89,391,972.89 : x
  2. Step 2: Convert to fraction form
    122,484,140.57/168,914,575.81 = 89,391,972.89/x
  3. Step 3: Cross multiply
    122,484,140.57x = 168,914,575.81 × 89,391,972.89
  4. Step 4: Simplify right side
    122,484,140.57x = 15,099,607,182,179,136
  5. Step 5: Solve for x
    x = 15,099,607,182,179,136/122,484,140.57
  6. Step 6: Final answer
    x = 123,278,059.61

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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.