Home / 77,182,163.46-106,514,380.89-42,376,320.90

Finding the Fourth Proportional to 77,182,163.46, 106,514,380.89 and 42,376,320.90

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Solution

The fourth proportional to 77,182,163.46, 106,514,380.89 and 42,376,320.90 is: 58,480,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,182,163.46 : 106,514,380.89 = 42,376,320.90 : x
  2. Step 2: Convert to fraction form
    77,182,163.46/106,514,380.89 = 42,376,320.90/x
  3. Step 3: Cross multiply
    77,182,163.46x = 106,514,380.89 × 42,376,320.90
  4. Step 4: Simplify right side
    77,182,163.46x = 4,513,687,585,059,467
  5. Step 5: Solve for x
    x = 4,513,687,585,059,467/77,182,163.46
  6. Step 6: Final answer
    x = 58,480,967.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.