Home / 69,808,540.30-96,332,676.70-40,017,831.46

Finding the Fourth Proportional to 69,808,540.30, 96,332,676.70 and 40,017,831.46

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Solution

The fourth proportional to 69,808,540.30, 96,332,676.70 and 40,017,831.46 is: 55,222,825.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,808,540.30 : 96,332,676.70 = 40,017,831.46 : x
  2. Step 2: Convert to fraction form
    69,808,540.30/96,332,676.70 = 40,017,831.46/x
  3. Step 3: Cross multiply
    69,808,540.30x = 96,332,676.70 × 40,017,831.46
  4. Step 4: Simplify right side
    69,808,540.30x = 3,855,024,820,271,269
  5. Step 5: Solve for x
    x = 3,855,024,820,271,269/69,808,540.30
  6. Step 6: Final answer
    x = 55,222,825.23

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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.