Home / 279,714,553.93-419,500,262.81-82,931,952.47

Finding the Fourth Proportional to 279,714,553.93, 419,500,262.81 and 82,931,952.47

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Solution

The fourth proportional to 279,714,553.93, 419,500,262.81 and 82,931,952.47 is: 124,376,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,714,553.93 : 419,500,262.81 = 82,931,952.47 : x
  2. Step 2: Convert to fraction form
    279,714,553.93/419,500,262.81 = 82,931,952.47/x
  3. Step 3: Cross multiply
    279,714,553.93x = 419,500,262.81 × 82,931,952.47
  4. Step 4: Simplify right side
    279,714,553.93x = 34,789,975,854,329,336
  5. Step 5: Solve for x
    x = 34,789,975,854,329,336/279,714,553.93
  6. Step 6: Final answer
    x = 124,376,709.63

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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.