Home / 108,325,143.64-149,449,470.15-71,175,420.28

Finding the Fourth Proportional to 108,325,143.64, 149,449,470.15 and 71,175,420.28

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Solution

The fourth proportional to 108,325,143.64, 149,449,470.15 and 71,175,420.28 is: 98,196,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,325,143.64 : 149,449,470.15 = 71,175,420.28 : x
  2. Step 2: Convert to fraction form
    108,325,143.64/149,449,470.15 = 71,175,420.28/x
  3. Step 3: Cross multiply
    108,325,143.64x = 149,449,470.15 × 71,175,420.28
  4. Step 4: Simplify right side
    108,325,143.64x = 10,637,128,848,549,566
  5. Step 5: Solve for x
    x = 10,637,128,848,549,566/108,325,143.64
  6. Step 6: Final answer
    x = 98,196,305.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.