Home / 103,680,626.20-155,520,939.30-83,525,234.20

Finding the Fourth Proportional to 103,680,626.20, 155,520,939.30 and 83,525,234.20

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Solution

The fourth proportional to 103,680,626.20, 155,520,939.30 and 83,525,234.20 is: 125,287,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,680,626.20 : 155,520,939.30 = 83,525,234.20 : x
  2. Step 2: Convert to fraction form
    103,680,626.20/155,520,939.30 = 83,525,234.20/x
  3. Step 3: Cross multiply
    103,680,626.20x = 155,520,939.30 × 83,525,234.20
  4. Step 4: Simplify right side
    103,680,626.20x = 12,989,922,878,036,486
  5. Step 5: Solve for x
    x = 12,989,922,878,036,486/103,680,626.20
  6. Step 6: Final answer
    x = 125,287,851.30

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Similar ratio
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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.