Home / 75,555,792.40-113,361,682.20-72,756,432.40

Finding the Fourth Proportional to 75,555,792.40, 113,361,682.20 and 72,756,432.40

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Solution

The fourth proportional to 75,555,792.40, 113,361,682.20 and 72,756,432.40 is: 109,161,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,555,792.40 : 113,361,682.20 = 72,756,432.40 : x
  2. Step 2: Convert to fraction form
    75,555,792.40/113,361,682.20 = 72,756,432.40/x
  3. Step 3: Cross multiply
    75,555,792.40x = 113,361,682.20 × 72,756,432.40
  4. Step 4: Simplify right side
    75,555,792.40x = 8,247,791,567,734,584
  5. Step 5: Solve for x
    x = 8,247,791,567,734,584/75,555,792.40
  6. Step 6: Final answer
    x = 109,161,605.03

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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.