Home / 78,872,934.16-118,298,377.41-27,056,690.92

Finding the Fourth Proportional to 78,872,934.16, 118,298,377.41 and 27,056,690.92

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Solution

The fourth proportional to 78,872,934.16, 118,298,377.41 and 27,056,690.92 is: 40,581,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,872,934.16 : 118,298,377.41 = 27,056,690.92 : x
  2. Step 2: Convert to fraction form
    78,872,934.16/118,298,377.41 = 27,056,690.92/x
  3. Step 3: Cross multiply
    78,872,934.16x = 118,298,377.41 × 27,056,690.92
  4. Step 4: Simplify right side
    78,872,934.16x = 3,200,762,633,919,880
  5. Step 5: Solve for x
    x = 3,200,762,633,919,880/78,872,934.16
  6. Step 6: Final answer
    x = 40,581,254.75

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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.