Home / 82,795,245.40-124,416,816.90-72,941,498.20

Finding the Fourth Proportional to 82,795,245.40, 124,416,816.90 and 72,941,498.20

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Solution

The fourth proportional to 82,795,245.40, 124,416,816.90 and 72,941,498.20 is: 109,609,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,795,245.40 : 124,416,816.90 = 72,941,498.20 : x
  2. Step 2: Convert to fraction form
    82,795,245.40/124,416,816.90 = 72,941,498.20/x
  3. Step 3: Cross multiply
    82,795,245.40x = 124,416,816.90 × 72,941,498.20
  4. Step 4: Simplify right side
    82,795,245.40x = 9,075,149,025,961,080
  5. Step 5: Solve for x
    x = 9,075,149,025,961,080/82,795,245.40
  6. Step 6: Final answer
    x = 109,609,543.18

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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.