Home / 75,555,729.40-113,361,587.70-72,756,369.40

Finding the Fourth Proportional to 75,555,729.40, 113,361,587.70 and 72,756,369.40

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Solution

The fourth proportional to 75,555,729.40, 113,361,587.70 and 72,756,369.40 is: 109,161,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,555,729.40 : 113,361,587.70 = 72,756,369.40 : x
  2. Step 2: Convert to fraction form
    75,555,729.40/113,361,587.70 = 72,756,369.40/x
  3. Step 3: Cross multiply
    75,555,729.40x = 113,361,587.70 × 72,756,369.40
  4. Step 4: Simplify right side
    75,555,729.40x = 8,247,777,550,471,697
  5. Step 5: Solve for x
    x = 8,247,777,550,471,697/75,555,729.40
  6. Step 6: Final answer
    x = 109,161,510.53

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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.