Home / 155,239,680.40-232,859,520.60-132,157,426.30

Finding the Fourth Proportional to 155,239,680.40, 232,859,520.60 and 132,157,426.30

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Solution

The fourth proportional to 155,239,680.40, 232,859,520.60 and 132,157,426.30 is: 198,236,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,239,680.40 : 232,859,520.60 = 132,157,426.30 : x
  2. Step 2: Convert to fraction form
    155,239,680.40/232,859,520.60 = 132,157,426.30/x
  3. Step 3: Cross multiply
    155,239,680.40x = 232,859,520.60 × 132,157,426.30
  4. Step 4: Simplify right side
    155,239,680.40x = 30,774,114,931,947,832
  5. Step 5: Solve for x
    x = 30,774,114,931,947,832/155,239,680.40
  6. Step 6: Final answer
    x = 198,236,139.45

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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.