Home / 231,552,021.60-347,328,032.40-145,387,720.80

Finding the Fourth Proportional to 231,552,021.60, 347,328,032.40 and 145,387,720.80

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Solution

The fourth proportional to 231,552,021.60, 347,328,032.40 and 145,387,720.80 is: 218,081,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,552,021.60 : 347,328,032.40 = 145,387,720.80 : x
  2. Step 2: Convert to fraction form
    231,552,021.60/347,328,032.40 = 145,387,720.80/x
  3. Step 3: Cross multiply
    231,552,021.60x = 347,328,032.40 × 145,387,720.80
  4. Step 4: Simplify right side
    231,552,021.60x = 50,497,231,000,584,552
  5. Step 5: Solve for x
    x = 50,497,231,000,584,552/231,552,021.60
  6. Step 6: Final answer
    x = 218,081,581.20

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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.