Home / 75,555,710.40-113,361,559.20-72,756,350.40

Finding the Fourth Proportional to 75,555,710.40, 113,361,559.20 and 72,756,350.40

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Solution

The fourth proportional to 75,555,710.40, 113,361,559.20 and 72,756,350.40 is: 109,161,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,555,710.40 : 113,361,559.20 = 72,756,350.40 : x
  2. Step 2: Convert to fraction form
    75,555,710.40/113,361,559.20 = 72,756,350.40/x
  3. Step 3: Cross multiply
    75,555,710.40x = 113,361,559.20 × 72,756,350.40
  4. Step 4: Simplify right side
    75,555,710.40x = 8,247,773,323,045,545
  5. Step 5: Solve for x
    x = 8,247,773,323,045,545/75,555,710.40
  6. Step 6: Final answer
    x = 109,161,482.03

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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.