Home / 339,217,138.74-508,681,098.02-129,091,968.82

Finding the Fourth Proportional to 339,217,138.74, 508,681,098.02 and 129,091,968.82

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Solution

The fourth proportional to 339,217,138.74, 508,681,098.02 and 129,091,968.82 is: 193,582,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,217,138.74 : 508,681,098.02 = 129,091,968.82 : x
  2. Step 2: Convert to fraction form
    339,217,138.74/508,681,098.02 = 129,091,968.82/x
  3. Step 3: Cross multiply
    339,217,138.74x = 508,681,098.02 × 129,091,968.82
  4. Step 4: Simplify right side
    339,217,138.74x = 65,666,644,444,921,200
  5. Step 5: Solve for x
    x = 65,666,644,444,921,200/339,217,138.74
  6. Step 6: Final answer
    x = 193,582,920.63

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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.