Home / 75,004,081.92-103,499,376.48-69,520,135.68

Finding the Fourth Proportional to 75,004,081.92, 103,499,376.48 and 69,520,135.68

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Solution

The fourth proportional to 75,004,081.92, 103,499,376.48 and 69,520,135.68 is: 95,931,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,004,081.92 : 103,499,376.48 = 69,520,135.68 : x
  2. Step 2: Convert to fraction form
    75,004,081.92/103,499,376.48 = 69,520,135.68/x
  3. Step 3: Cross multiply
    75,004,081.92x = 103,499,376.48 × 69,520,135.68
  4. Step 4: Simplify right side
    75,004,081.92x = 7,195,290,695,685,002
  5. Step 5: Solve for x
    x = 7,195,290,695,685,002/75,004,081.92
  6. Step 6: Final answer
    x = 95,931,988.12

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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.