Home / 130,122,844.74-179,558,089.20-74,357,198.73

Finding the Fourth Proportional to 130,122,844.74, 179,558,089.20 and 74,357,198.73

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Solution

The fourth proportional to 130,122,844.74, 179,558,089.20 and 74,357,198.73 is: 102,606,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,122,844.74 : 179,558,089.20 = 74,357,198.73 : x
  2. Step 2: Convert to fraction form
    130,122,844.74/179,558,089.20 = 74,357,198.73/x
  3. Step 3: Cross multiply
    130,122,844.74x = 179,558,089.20 × 74,357,198.73
  4. Step 4: Simplify right side
    130,122,844.74x = 13,351,436,522,223,466
  5. Step 5: Solve for x
    x = 13,351,436,522,223,466/130,122,844.74
  6. Step 6: Final answer
    x = 102,606,398.97

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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.