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Finding the Fourth Proportional to 133,703,038.56, 200,572,404.88 and 52,905,110.88

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Solution

The fourth proportional to 133,703,038.56, 200,572,404.88 and 52,905,110.88 is: 79,364,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,703,038.56 : 200,572,404.88 = 52,905,110.88 : x
  2. Step 2: Convert to fraction form
    133,703,038.56/200,572,404.88 = 52,905,110.88/x
  3. Step 3: Cross multiply
    133,703,038.56x = 200,572,404.88 × 52,905,110.88
  4. Step 4: Simplify right side
    133,703,038.56x = 10,611,305,319,644,654
  5. Step 5: Solve for x
    x = 10,611,305,319,644,654/133,703,038.56
  6. Step 6: Final answer
    x = 79,364,728.24

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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.