Home / 57,091,447.62-78,786,275.13-30,985,966.26

Finding the Fourth Proportional to 57,091,447.62, 78,786,275.13 and 30,985,966.26

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Solution

The fourth proportional to 57,091,447.62, 78,786,275.13 and 30,985,966.26 is: 42,760,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091,447.62 : 78,786,275.13 = 30,985,966.26 : x
  2. Step 2: Convert to fraction form
    57,091,447.62/78,786,275.13 = 30,985,966.26/x
  3. Step 3: Cross multiply
    57,091,447.62x = 78,786,275.13 × 30,985,966.26
  4. Step 4: Simplify right side
    57,091,447.62x = 2,441,268,862,929,257
  5. Step 5: Solve for x
    x = 2,441,268,862,929,257/57,091,447.62
  6. Step 6: Final answer
    x = 42,760,675.45

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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.