Home / 87,755,415.45-131,633,123.18-42,405,783.45

Finding the Fourth Proportional to 87,755,415.45, 131,633,123.18 and 42,405,783.45

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Solution

The fourth proportional to 87,755,415.45, 131,633,123.18 and 42,405,783.45 is: 63,608,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755,415.45 : 131,633,123.18 = 42,405,783.45 : x
  2. Step 2: Convert to fraction form
    87,755,415.45/131,633,123.18 = 42,405,783.45/x
  3. Step 3: Cross multiply
    87,755,415.45x = 131,633,123.18 × 42,405,783.45
  4. Step 4: Simplify right side
    87,755,415.45x = 5,582,005,716,206,227
  5. Step 5: Solve for x
    x = 5,582,005,716,206,227/87,755,415.45
  6. Step 6: Final answer
    x = 63,608,675.18

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Double scale
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Similar ratio
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1.5x scale

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.