Home / 155,239,666.90-232,859,500.35-132,157,412.80

Finding the Fourth Proportional to 155,239,666.90, 232,859,500.35 and 132,157,412.80

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Solution

The fourth proportional to 155,239,666.90, 232,859,500.35 and 132,157,412.80 is: 198,236,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,239,666.90 : 232,859,500.35 = 132,157,412.80 : x
  2. Step 2: Convert to fraction form
    155,239,666.90/232,859,500.35 = 132,157,412.80/x
  3. Step 3: Cross multiply
    155,239,666.90x = 232,859,500.35 × 132,157,412.80
  4. Step 4: Simplify right side
    155,239,666.90x = 30,774,109,112,156,692
  5. Step 5: Solve for x
    x = 30,774,109,112,156,692/155,239,666.90
  6. Step 6: Final answer
    x = 198,236,119.20

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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.