Home / 108,390,862.40-149,579,016.80-58,831,233.53

Finding the Fourth Proportional to 108,390,862.40, 149,579,016.80 and 58,831,233.53

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Solution

The fourth proportional to 108,390,862.40, 149,579,016.80 and 58,831,233.53 is: 81,186,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,390,862.40 : 149,579,016.80 = 58,831,233.53 : x
  2. Step 2: Convert to fraction form
    108,390,862.40/149,579,016.80 = 58,831,233.53/x
  3. Step 3: Cross multiply
    108,390,862.40x = 149,579,016.80 × 58,831,233.53
  4. Step 4: Simplify right side
    108,390,862.40x = 8,799,918,067,506,541
  5. Step 5: Solve for x
    x = 8,799,918,067,506,541/108,390,862.40
  6. Step 6: Final answer
    x = 81,186,899.64

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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.