Home / 253,187,414.70-379,541,973.60-149,636,135.85

Finding the Fourth Proportional to 253,187,414.70, 379,541,973.60 and 149,636,135.85

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Solution

The fourth proportional to 253,187,414.70, 379,541,973.60 and 149,636,135.85 is: 224,312,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,187,414.70 : 379,541,973.60 = 149,636,135.85 : x
  2. Step 2: Convert to fraction form
    253,187,414.70/379,541,973.60 = 149,636,135.85/x
  3. Step 3: Cross multiply
    253,187,414.70x = 379,541,973.60 × 149,636,135.85
  4. Step 4: Simplify right side
    253,187,414.70x = 56,793,194,322,386,712
  5. Step 5: Solve for x
    x = 56,793,194,322,386,712/253,187,414.70
  6. Step 6: Final answer
    x = 224,312,864.80

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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.