Home / 148,272,002.40-222,408,003.60-99,899,061.60

Finding the Fourth Proportional to 148,272,002.40, 222,408,003.60 and 99,899,061.60

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Solution

The fourth proportional to 148,272,002.40, 222,408,003.60 and 99,899,061.60 is: 149,848,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,272,002.40 : 222,408,003.60 = 99,899,061.60 : x
  2. Step 2: Convert to fraction form
    148,272,002.40/222,408,003.60 = 99,899,061.60/x
  3. Step 3: Cross multiply
    148,272,002.40x = 222,408,003.60 × 99,899,061.60
  4. Step 4: Simplify right side
    148,272,002.40x = 22,218,350,851,969,420
  5. Step 5: Solve for x
    x = 22,218,350,851,969,420/148,272,002.40
  6. Step 6: Final answer
    x = 149,848,592.40

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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.