Home / 220,748,011.65-331,173,251.70-75,182,834.16

Finding the Fourth Proportional to 220,748,011.65, 331,173,251.70 and 75,182,834.16

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Solution

The fourth proportional to 220,748,011.65, 331,173,251.70 and 75,182,834.16 is: 112,791,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,748,011.65 : 331,173,251.70 = 75,182,834.16 : x
  2. Step 2: Convert to fraction form
    220,748,011.65/331,173,251.70 = 75,182,834.16/x
  3. Step 3: Cross multiply
    220,748,011.65x = 331,173,251.70 × 75,182,834.16
  4. Step 4: Simplify right side
    220,748,011.65x = 24,898,543,660,789,036
  5. Step 5: Solve for x
    x = 24,898,543,660,789,036/220,748,011.65
  6. Step 6: Final answer
    x = 112,791,700.70

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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.