Home / 293,592,981.60-440,375,475.60-99,485,359.20

Finding the Fourth Proportional to 293,592,981.60, 440,375,475.60 and 99,485,359.20

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Solution

The fourth proportional to 293,592,981.60, 440,375,475.60 and 99,485,359.20 is: 149,223,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,592,981.60 : 440,375,475.60 = 99,485,359.20 : x
  2. Step 2: Convert to fraction form
    293,592,981.60/440,375,475.60 = 99,485,359.20/x
  3. Step 3: Cross multiply
    293,592,981.60x = 440,375,475.60 × 99,485,359.20
  4. Step 4: Simplify right side
    293,592,981.60x = 43,810,912,372,936,840
  5. Step 5: Solve for x
    x = 43,810,912,372,936,840/293,592,981.60
  6. Step 6: Final answer
    x = 149,223,295.92

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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.