Home / 61,687,117.80-85,128,723.30-34,185,498.60

Finding the Fourth Proportional to 61,687,117.80, 85,128,723.30 and 34,185,498.60

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Solution

The fourth proportional to 61,687,117.80, 85,128,723.30 and 34,185,498.60 is: 47,176,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,687,117.80 : 85,128,723.30 = 34,185,498.60 : x
  2. Step 2: Convert to fraction form
    61,687,117.80/85,128,723.30 = 34,185,498.60/x
  3. Step 3: Cross multiply
    61,687,117.80x = 85,128,723.30 × 34,185,498.60
  4. Step 4: Simplify right side
    61,687,117.80x = 2,910,167,851,191,937.50
  5. Step 5: Solve for x
    x = 2,910,167,851,191,937.50/61,687,117.80
  6. Step 6: Final answer
    x = 47,176,265.56

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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.