Home / 252,653,237.88-379,016,008.46-77,791,067.16

Finding the Fourth Proportional to 252,653,237.88, 379,016,008.46 and 77,791,067.16

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Solution

The fourth proportional to 252,653,237.88, 379,016,008.46 and 77,791,067.16 is: 116,697,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,653,237.88 : 379,016,008.46 = 77,791,067.16 : x
  2. Step 2: Convert to fraction form
    252,653,237.88/379,016,008.46 = 77,791,067.16/x
  3. Step 3: Cross multiply
    252,653,237.88x = 379,016,008.46 × 77,791,067.16
  4. Step 4: Simplify right side
    252,653,237.88x = 29,484,059,768,826,984
  5. Step 5: Solve for x
    x = 29,484,059,768,826,984/252,653,237.88
  6. Step 6: Final answer
    x = 116,697,731.71

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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.