Home / 52,258,772.22-72,121,139.82-31,351,587.90

Finding the Fourth Proportional to 52,258,772.22, 72,121,139.82 and 31,351,587.90

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Solution

The fourth proportional to 52,258,772.22, 72,121,139.82 and 31,351,587.90 is: 43,267,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258,772.22 : 72,121,139.82 = 31,351,587.90 : x
  2. Step 2: Convert to fraction form
    52,258,772.22/72,121,139.82 = 31,351,587.90/x
  3. Step 3: Cross multiply
    52,258,772.22x = 72,121,139.82 × 31,351,587.90
  4. Step 4: Simplify right side
    52,258,772.22x = 2,261,112,254,514,920
  5. Step 5: Solve for x
    x = 2,261,112,254,514,920/52,258,772.22
  6. Step 6: Final answer
    x = 43,267,611.51

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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.