Home / 90,747,847.40-136,121,771.10-29,336,887.40

Finding the Fourth Proportional to 90,747,847.40, 136,121,771.10 and 29,336,887.40

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Solution

The fourth proportional to 90,747,847.40, 136,121,771.10 and 29,336,887.40 is: 44,005,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747,847.40 : 136,121,771.10 = 29,336,887.40 : x
  2. Step 2: Convert to fraction form
    90,747,847.40/136,121,771.10 = 29,336,887.40/x
  3. Step 3: Cross multiply
    90,747,847.40x = 136,121,771.10 × 29,336,887.40
  4. Step 4: Simplify right side
    90,747,847.40x = 3,993,389,071,449,274
  5. Step 5: Solve for x
    x = 3,993,389,071,449,274/90,747,847.40
  6. Step 6: Final answer
    x = 44,005,331.10

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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.