Home / 129,378,123,558-194,071,138,883.82-44,386,725,855.96

Finding the Fourth Proportional to 129,378,123,558, 194,071,138,883.82 and 44,386,725,855.96

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Solution

The fourth proportional to 129,378,123,558, 194,071,138,883.82 and 44,386,725,855.96 is: 66,581,445,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,378,123,558 : 194,071,138,883.82 = 44,386,725,855.96 : x
  2. Step 2: Convert to fraction form
    129,378,123,558/194,071,138,883.82 = 44,386,725,855.96/x
  3. Step 3: Cross multiply
    129,378,123,558x = 194,071,138,883.82 × 44,386,725,855.96
  4. Step 4: Simplify right side
    129,378,123,558x = 8,614,182,438,190,057,521,152
  5. Step 5: Solve for x
    x = 8,614,182,438,190,057,521,152/129,378,123,558
  6. Step 6: Final answer
    x = 66,581,445,156.98

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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.