Home / 78,873,758.10-118,310,637.15-27,755,370.90

Finding the Fourth Proportional to 78,873,758.10, 118,310,637.15 and 27,755,370.90

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Solution

The fourth proportional to 78,873,758.10, 118,310,637.15 and 27,755,370.90 is: 41,633,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,873,758.10 : 118,310,637.15 = 27,755,370.90 : x
  2. Step 2: Convert to fraction form
    78,873,758.10/118,310,637.15 = 27,755,370.90/x
  3. Step 3: Cross multiply
    78,873,758.10x = 118,310,637.15 × 27,755,370.90
  4. Step 4: Simplify right side
    78,873,758.10x = 3,283,755,615,513,569
  5. Step 5: Solve for x
    x = 3,283,755,615,513,569/78,873,758.10
  6. Step 6: Final answer
    x = 41,633,056.35

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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.