Home / 231,226,777.50-319,063,625.28-126,777,363.36

Finding the Fourth Proportional to 231,226,777.50, 319,063,625.28 and 126,777,363.36

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Solution

The fourth proportional to 231,226,777.50, 319,063,625.28 and 126,777,363.36 is: 174,936,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,226,777.50 : 319,063,625.28 = 126,777,363.36 : x
  2. Step 2: Convert to fraction form
    231,226,777.50/319,063,625.28 = 126,777,363.36/x
  3. Step 3: Cross multiply
    231,226,777.50x = 319,063,625.28 × 126,777,363.36
  4. Step 4: Simplify right side
    231,226,777.50x = 40,450,045,157,081,440
  5. Step 5: Solve for x
    x = 40,450,045,157,081,440/231,226,777.50
  6. Step 6: Final answer
    x = 174,936,681.62

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1.5x scale

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.