Home / 69,871,805.04-96,423,473.20-40,520,539.92

Finding the Fourth Proportional to 69,871,805.04, 96,423,473.20 and 40,520,539.92

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Solution

The fourth proportional to 69,871,805.04, 96,423,473.20 and 40,520,539.92 is: 55,918,566.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,805.04 : 96,423,473.20 = 40,520,539.92 : x
  2. Step 2: Convert to fraction form
    69,871,805.04/96,423,473.20 = 40,520,539.92/x
  3. Step 3: Cross multiply
    69,871,805.04x = 96,423,473.20 × 40,520,539.92
  4. Step 4: Simplify right side
    69,871,805.04x = 3,907,131,195,025,650.50
  5. Step 5: Solve for x
    x = 3,907,131,195,025,650.50/69,871,805.04
  6. Step 6: Final answer
    x = 55,918,566.76

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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.