Home / 52,261,669.76-72,125,143.32-31,354,489.20

Finding the Fourth Proportional to 52,261,669.76, 72,125,143.32 and 31,354,489.20

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Solution

The fourth proportional to 52,261,669.76, 72,125,143.32 and 31,354,489.20 is: 43,271,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261,669.76 : 72,125,143.32 = 31,354,489.20 : x
  2. Step 2: Convert to fraction form
    52,261,669.76/72,125,143.32 = 31,354,489.20/x
  3. Step 3: Cross multiply
    52,261,669.76x = 72,125,143.32 × 31,354,489.20
  4. Step 4: Simplify right side
    52,261,669.76x = 2,261,447,027,275,392
  5. Step 5: Solve for x
    x = 2,261,447,027,275,392/52,261,669.76
  6. Step 6: Final answer
    x = 43,271,618.33

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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.