Home / 72,257,268.60-108,354,410.10-29,112,132.60

Finding the Fourth Proportional to 72,257,268.60, 108,354,410.10 and 29,112,132.60

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Solution

The fourth proportional to 72,257,268.60, 108,354,410.10 and 29,112,132.60 is: 43,655,510.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,257,268.60 : 108,354,410.10 = 29,112,132.60 : x
  2. Step 2: Convert to fraction form
    72,257,268.60/108,354,410.10 = 29,112,132.60/x
  3. Step 3: Cross multiply
    72,257,268.60x = 108,354,410.10 × 29,112,132.60
  4. Step 4: Simplify right side
    72,257,268.60x = 3,154,427,954,625,979
  5. Step 5: Solve for x
    x = 3,154,427,954,625,979/72,257,268.60
  6. Step 6: Final answer
    x = 43,655,510.59

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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.