Home / 508,700,089.20-763,050,133.80-125,747,641.20

Finding the Fourth Proportional to 508,700,089.20, 763,050,133.80 and 125,747,641.20

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Solution

The fourth proportional to 508,700,089.20, 763,050,133.80 and 125,747,641.20 is: 188,621,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,700,089.20 : 763,050,133.80 = 125,747,641.20 : x
  2. Step 2: Convert to fraction form
    508,700,089.20/763,050,133.80 = 125,747,641.20/x
  3. Step 3: Cross multiply
    508,700,089.20x = 763,050,133.80 × 125,747,641.20
  4. Step 4: Simplify right side
    508,700,089.20x = 95,951,754,442,694,384
  5. Step 5: Solve for x
    x = 95,951,754,442,694,384/508,700,089.20
  6. Step 6: Final answer
    x = 188,621,461.80

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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.