Home / 40,442,920.80-60,664,381.20-38,370,300.90

Finding the Fourth Proportional to 40,442,920.80, 60,664,381.20 and 38,370,300.90

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Solution

The fourth proportional to 40,442,920.80, 60,664,381.20 and 38,370,300.90 is: 57,555,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442,920.80 : 60,664,381.20 = 38,370,300.90 : x
  2. Step 2: Convert to fraction form
    40,442,920.80/60,664,381.20 = 38,370,300.90/x
  3. Step 3: Cross multiply
    40,442,920.80x = 60,664,381.20 × 38,370,300.90
  4. Step 4: Simplify right side
    40,442,920.80x = 2,327,710,560,556,303
  5. Step 5: Solve for x
    x = 2,327,710,560,556,303/40,442,920.80
  6. Step 6: Final answer
    x = 57,555,451.35

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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.