Home / 82,934,719.20-124,402,078.86-52,776,280.80

Finding the Fourth Proportional to 82,934,719.20, 124,402,078.86 and 52,776,280.80

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Solution

The fourth proportional to 82,934,719.20, 124,402,078.86 and 52,776,280.80 is: 79,164,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,934,719.20 : 124,402,078.86 = 52,776,280.80 : x
  2. Step 2: Convert to fraction form
    82,934,719.20/124,402,078.86 = 52,776,280.80/x
  3. Step 3: Cross multiply
    82,934,719.20x = 124,402,078.86 × 52,776,280.80
  4. Step 4: Simplify right side
    82,934,719.20x = 6,565,479,046,019,103
  5. Step 5: Solve for x
    x = 6,565,479,046,019,103/82,934,719.20
  6. Step 6: Final answer
    x = 79,164,421.24

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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.