Home / 159,767,363.70-239,651,045.55-105,347,805.30

Finding the Fourth Proportional to 159,767,363.70, 239,651,045.55 and 105,347,805.30

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Solution

The fourth proportional to 159,767,363.70, 239,651,045.55 and 105,347,805.30 is: 158,021,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,767,363.70 : 239,651,045.55 = 105,347,805.30 : x
  2. Step 2: Convert to fraction form
    159,767,363.70/239,651,045.55 = 105,347,805.30/x
  3. Step 3: Cross multiply
    159,767,363.70x = 239,651,045.55 × 105,347,805.30
  4. Step 4: Simplify right side
    159,767,363.70x = 25,246,711,686,542,832
  5. Step 5: Solve for x
    x = 25,246,711,686,542,832/159,767,363.70
  6. Step 6: Final answer
    x = 158,021,707.95

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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.