Home / 169,485,712.40-254,228,568.60-159,282,045.20

Finding the Fourth Proportional to 169,485,712.40, 254,228,568.60 and 159,282,045.20

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Solution

The fourth proportional to 169,485,712.40, 254,228,568.60 and 159,282,045.20 is: 238,923,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,485,712.40 : 254,228,568.60 = 159,282,045.20 : x
  2. Step 2: Convert to fraction form
    169,485,712.40/254,228,568.60 = 159,282,045.20/x
  3. Step 3: Cross multiply
    169,485,712.40x = 254,228,568.60 × 159,282,045.20
  4. Step 4: Simplify right side
    169,485,712.40x = 40,494,046,354,876,496
  5. Step 5: Solve for x
    x = 40,494,046,354,876,496/169,485,712.40
  6. Step 6: Final answer
    x = 238,923,067.80

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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.