Home / 108,325,142.64-149,449,468.77-71,175,419.28

Finding the Fourth Proportional to 108,325,142.64, 149,449,468.77 and 71,175,419.28

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Solution

The fourth proportional to 108,325,142.64, 149,449,468.77 and 71,175,419.28 is: 98,196,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,325,142.64 : 149,449,468.77 = 71,175,419.28 : x
  2. Step 2: Convert to fraction form
    108,325,142.64/149,449,468.77 = 71,175,419.28/x
  3. Step 3: Cross multiply
    108,325,142.64x = 149,449,468.77 × 71,175,419.28
  4. Step 4: Simplify right side
    108,325,142.64x = 10,637,128,600,878,016
  5. Step 5: Solve for x
    x = 10,637,128,600,878,016/108,325,142.64
  6. Step 6: Final answer
    x = 98,196,303.66

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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.