Home / 90,747,815.40-136,121,723.10-29,336,855.40

Finding the Fourth Proportional to 90,747,815.40, 136,121,723.10 and 29,336,855.40

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Solution

The fourth proportional to 90,747,815.40, 136,121,723.10 and 29,336,855.40 is: 44,005,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747,815.40 : 136,121,723.10 = 29,336,855.40 : x
  2. Step 2: Convert to fraction form
    90,747,815.40/136,121,723.10 = 29,336,855.40/x
  3. Step 3: Cross multiply
    90,747,815.40x = 136,121,723.10 × 29,336,855.40
  4. Step 4: Simplify right side
    90,747,815.40x = 3,993,383,307,383,539.50
  5. Step 5: Solve for x
    x = 3,993,383,307,383,539.50/90,747,815.40
  6. Step 6: Final answer
    x = 44,005,283.10

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Double scale
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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.