Home / 90,672,045.90-136,008,068.85-54,392,340.30

Finding the Fourth Proportional to 90,672,045.90, 136,008,068.85 and 54,392,340.30

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Solution

The fourth proportional to 90,672,045.90, 136,008,068.85 and 54,392,340.30 is: 81,588,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,672,045.90 : 136,008,068.85 = 54,392,340.30 : x
  2. Step 2: Convert to fraction form
    90,672,045.90/136,008,068.85 = 54,392,340.30/x
  3. Step 3: Cross multiply
    90,672,045.90x = 136,008,068.85 × 54,392,340.30
  4. Step 4: Simplify right side
    90,672,045.90x = 7,397,797,164,435,029
  5. Step 5: Solve for x
    x = 7,397,797,164,435,029/90,672,045.90
  6. Step 6: Final answer
    x = 81,588,510.45

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Similar ratio
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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.