Home / 82,794,948.40-124,416,371.40-72,941,201.20

Finding the Fourth Proportional to 82,794,948.40, 124,416,371.40 and 72,941,201.20

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Solution

The fourth proportional to 82,794,948.40, 124,416,371.40 and 72,941,201.20 is: 109,609,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,794,948.40 : 124,416,371.40 = 72,941,201.20 : x
  2. Step 2: Convert to fraction form
    82,794,948.40/124,416,371.40 = 72,941,201.20/x
  3. Step 3: Cross multiply
    82,794,948.40x = 124,416,371.40 × 72,941,201.20
  4. Step 4: Simplify right side
    82,794,948.40x = 9,075,079,578,861,326
  5. Step 5: Solve for x
    x = 9,075,079,578,861,326/82,794,948.40
  6. Step 6: Final answer
    x = 109,609,097.59

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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.