Home / 147,541,548.40-221,454,040.20-74,840,419.60

Finding the Fourth Proportional to 147,541,548.40, 221,454,040.20 and 74,840,419.60

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Solution

The fourth proportional to 147,541,548.40, 221,454,040.20 and 74,840,419.60 is: 112,332,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,541,548.40 : 221,454,040.20 = 74,840,419.60 : x
  2. Step 2: Convert to fraction form
    147,541,548.40/221,454,040.20 = 74,840,419.60/x
  3. Step 3: Cross multiply
    147,541,548.40x = 221,454,040.20 × 74,840,419.60
  4. Step 4: Simplify right side
    147,541,548.40x = 16,573,713,290,683,266
  5. Step 5: Solve for x
    x = 16,573,713,290,683,266/147,541,548.40
  6. Step 6: Final answer
    x = 112,332,515.62

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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.