Home / 82,978,820.80-124,468,231.20-44,715,068.80

Finding the Fourth Proportional to 82,978,820.80, 124,468,231.20 and 44,715,068.80

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Solution

The fourth proportional to 82,978,820.80, 124,468,231.20 and 44,715,068.80 is: 67,072,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,978,820.80 : 124,468,231.20 = 44,715,068.80 : x
  2. Step 2: Convert to fraction form
    82,978,820.80/124,468,231.20 = 44,715,068.80/x
  3. Step 3: Cross multiply
    82,978,820.80x = 124,468,231.20 × 44,715,068.80
  4. Step 4: Simplify right side
    82,978,820.80x = 5,565,605,521,522,306
  5. Step 5: Solve for x
    x = 5,565,605,521,522,306/82,978,820.80
  6. Step 6: Final answer
    x = 67,072,603.20

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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.