Home / 72,115,754.11-108,172,686.29-17,528,181.05

Finding the Fourth Proportional to 72,115,754.11, 108,172,686.29 and 17,528,181.05

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Solution

The fourth proportional to 72,115,754.11, 108,172,686.29 and 17,528,181.05 is: 26,292,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,115,754.11 : 108,172,686.29 = 17,528,181.05 : x
  2. Step 2: Convert to fraction form
    72,115,754.11/108,172,686.29 = 17,528,181.05/x
  3. Step 3: Cross multiply
    72,115,754.11x = 108,172,686.29 × 17,528,181.05
  4. Step 4: Simplify right side
    72,115,754.11x = 1,896,070,430,138,763.25
  5. Step 5: Solve for x
    x = 1,896,070,430,138,763.25/72,115,754.11
  6. Step 6: Final answer
    x = 26,292,041.92

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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.