Home / 69,518,678.47-104,296,190.96-40,344,472.25

Finding the Fourth Proportional to 69,518,678.47, 104,296,190.96 and 40,344,472.25

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Solution

The fourth proportional to 69,518,678.47, 104,296,190.96 and 40,344,472.25 is: 60,527,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,518,678.47 : 104,296,190.96 = 40,344,472.25 : x
  2. Step 2: Convert to fraction form
    69,518,678.47/104,296,190.96 = 40,344,472.25/x
  3. Step 3: Cross multiply
    69,518,678.47x = 104,296,190.96 × 40,344,472.25
  4. Step 4: Simplify right side
    69,518,678.47x = 4,207,774,782,523,578.50
  5. Step 5: Solve for x
    x = 4,207,774,782,523,578.50/69,518,678.47
  6. Step 6: Final answer
    x = 60,527,255.05

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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.