Home / 82,795,246.40-124,416,818.40-72,941,499.20

Finding the Fourth Proportional to 82,795,246.40, 124,416,818.40 and 72,941,499.20

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Solution

The fourth proportional to 82,795,246.40, 124,416,818.40 and 72,941,499.20 is: 109,609,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,795,246.40 : 124,416,818.40 = 72,941,499.20 : x
  2. Step 2: Convert to fraction form
    82,795,246.40/124,416,818.40 = 72,941,499.20/x
  3. Step 3: Cross multiply
    82,795,246.40x = 124,416,818.40 × 72,941,499.20
  4. Step 4: Simplify right side
    82,795,246.40x = 9,075,149,259,790,146
  5. Step 5: Solve for x
    x = 9,075,149,259,790,146/82,795,246.40
  6. Step 6: Final answer
    x = 109,609,544.68

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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.