Home / 265,982,569.80-399,225,797.10-163,945,897.80

Finding the Fourth Proportional to 265,982,569.80, 399,225,797.10 and 163,945,897.80

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Solution

The fourth proportional to 265,982,569.80, 399,225,797.10 and 163,945,897.80 is: 246,074,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,982,569.80 : 399,225,797.10 = 163,945,897.80 : x
  2. Step 2: Convert to fraction form
    265,982,569.80/399,225,797.10 = 163,945,897.80/x
  3. Step 3: Cross multiply
    265,982,569.80x = 399,225,797.10 × 163,945,897.80
  4. Step 4: Simplify right side
    265,982,569.80x = 65,451,431,730,480,144
  5. Step 5: Solve for x
    x = 65,451,431,730,480,144/265,982,569.80
  6. Step 6: Final answer
    x = 246,074,138.54

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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.