Home / 88,913,721.20-133,445,231.40-40,466,130.80

Finding the Fourth Proportional to 88,913,721.20, 133,445,231.40 and 40,466,130.80

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Solution

The fourth proportional to 88,913,721.20, 133,445,231.40 and 40,466,130.80 is: 60,733,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,913,721.20 : 133,445,231.40 = 40,466,130.80 : x
  2. Step 2: Convert to fraction form
    88,913,721.20/133,445,231.40 = 40,466,130.80/x
  3. Step 3: Cross multiply
    88,913,721.20x = 133,445,231.40 × 40,466,130.80
  4. Step 4: Simplify right side
    88,913,721.20x = 5,400,012,188,468,667
  5. Step 5: Solve for x
    x = 5,400,012,188,468,667/88,913,721.20
  6. Step 6: Final answer
    x = 60,733,170.49

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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.