Home / 146,751,423.40-220,127,135.10-112,843,916.20

Finding the Fourth Proportional to 146,751,423.40, 220,127,135.10 and 112,843,916.20

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Solution

The fourth proportional to 146,751,423.40, 220,127,135.10 and 112,843,916.20 is: 169,265,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,751,423.40 : 220,127,135.10 = 112,843,916.20 : x
  2. Step 2: Convert to fraction form
    146,751,423.40/220,127,135.10 = 112,843,916.20/x
  3. Step 3: Cross multiply
    146,751,423.40x = 220,127,135.10 × 112,843,916.20
  4. Step 4: Simplify right side
    146,751,423.40x = 24,840,007,986,570,480
  5. Step 5: Solve for x
    x = 24,840,007,986,570,480/146,751,423.40
  6. Step 6: Final answer
    x = 169,265,874.30

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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.