Home / 103,277,843.32-154,890,948.66-30,480,175.48

Finding the Fourth Proportional to 103,277,843.32, 154,890,948.66 and 30,480,175.48

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Solution

The fourth proportional to 103,277,843.32, 154,890,948.66 and 30,480,175.48 is: 45,712,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,277,843.32 : 154,890,948.66 = 30,480,175.48 : x
  2. Step 2: Convert to fraction form
    103,277,843.32/154,890,948.66 = 30,480,175.48/x
  3. Step 3: Cross multiply
    103,277,843.32x = 154,890,948.66 × 30,480,175.48
  4. Step 4: Simplify right side
    103,277,843.32x = 4,721,103,295,420,471
  5. Step 5: Solve for x
    x = 4,721,103,295,420,471/103,277,843.32
  6. Step 6: Final answer
    x = 45,712,644.10

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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.