Home / 76,658,925.29-114,984,565.74-28,132,961.31

Finding the Fourth Proportional to 76,658,925.29, 114,984,565.74 and 28,132,961.31

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Solution

The fourth proportional to 76,658,925.29, 114,984,565.74 and 28,132,961.31 is: 42,198,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,658,925.29 : 114,984,565.74 = 28,132,961.31 : x
  2. Step 2: Convert to fraction form
    76,658,925.29/114,984,565.74 = 28,132,961.31/x
  3. Step 3: Cross multiply
    76,658,925.29x = 114,984,565.74 × 28,132,961.31
  4. Step 4: Simplify right side
    76,658,925.29x = 3,234,856,339,210,571
  5. Step 5: Solve for x
    x = 3,234,856,339,210,571/76,658,925.29
  6. Step 6: Final answer
    x = 42,198,039.27

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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.