Home / 82,687,473.47-124,049,896.02-27,355,178.66

Finding the Fourth Proportional to 82,687,473.47, 124,049,896.02 and 27,355,178.66

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Solution

The fourth proportional to 82,687,473.47, 124,049,896.02 and 27,355,178.66 is: 41,038,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,687,473.47 : 124,049,896.02 = 27,355,178.66 : x
  2. Step 2: Convert to fraction form
    82,687,473.47/124,049,896.02 = 27,355,178.66/x
  3. Step 3: Cross multiply
    82,687,473.47x = 124,049,896.02 × 27,355,178.66
  4. Step 4: Simplify right side
    82,687,473.47x = 3,393,407,067,761,273.50
  5. Step 5: Solve for x
    x = 3,393,407,067,761,273.50/82,687,473.47
  6. Step 6: Final answer
    x = 41,038,949.74

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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.