Home / 71,110,524.18-98,140,487.34-40,172,686.36

Finding the Fourth Proportional to 71,110,524.18, 98,140,487.34 and 40,172,686.36

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Solution

The fourth proportional to 71,110,524.18, 98,140,487.34 and 40,172,686.36 is: 55,442,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,110,524.18 : 98,140,487.34 = 40,172,686.36 : x
  2. Step 2: Convert to fraction form
    71,110,524.18/98,140,487.34 = 40,172,686.36/x
  3. Step 3: Cross multiply
    71,110,524.18x = 98,140,487.34 × 40,172,686.36
  4. Step 4: Simplify right side
    71,110,524.18x = 3,942,567,017,127,371
  5. Step 5: Solve for x
    x = 3,942,567,017,127,371/71,110,524.18
  6. Step 6: Final answer
    x = 55,442,806.29

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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.