Home / 339,402,282.70-508,895,071.51-131,898,407.82

Finding the Fourth Proportional to 339,402,282.70, 508,895,071.51 and 131,898,407.82

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Solution

The fourth proportional to 339,402,282.70, 508,895,071.51 and 131,898,407.82 is: 197,766,641.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,402,282.70 : 508,895,071.51 = 131,898,407.82 : x
  2. Step 2: Convert to fraction form
    339,402,282.70/508,895,071.51 = 131,898,407.82/x
  3. Step 3: Cross multiply
    339,402,282.70x = 508,895,071.51 × 131,898,407.82
  4. Step 4: Simplify right side
    339,402,282.70x = 67,122,449,679,614,040
  5. Step 5: Solve for x
    x = 67,122,449,679,614,040/339,402,282.70
  6. Step 6: Final answer
    x = 197,766,641.83

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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.