Home / 123,039,102.70-184,558,654.05-121,125,915.10

Finding the Fourth Proportional to 123,039,102.70, 184,558,654.05 and 121,125,915.10

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Solution

The fourth proportional to 123,039,102.70, 184,558,654.05 and 121,125,915.10 is: 181,688,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,039,102.70 : 184,558,654.05 = 121,125,915.10 : x
  2. Step 2: Convert to fraction form
    123,039,102.70/184,558,654.05 = 121,125,915.10/x
  3. Step 3: Cross multiply
    123,039,102.70x = 184,558,654.05 × 121,125,915.10
  4. Step 4: Simplify right side
    123,039,102.70x = 22,354,835,861,430,572
  5. Step 5: Solve for x
    x = 22,354,835,861,430,572/123,039,102.70
  6. Step 6: Final answer
    x = 181,688,872.65

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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.