Home / 61,086,574.32-91,629,887.40-17,955,780.72

Finding the Fourth Proportional to 61,086,574.32, 91,629,887.40 and 17,955,780.72

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Solution

The fourth proportional to 61,086,574.32, 91,629,887.40 and 17,955,780.72 is: 26,933,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,086,574.32 : 91,629,887.40 = 17,955,780.72 : x
  2. Step 2: Convert to fraction form
    61,086,574.32/91,629,887.40 = 17,955,780.72/x
  3. Step 3: Cross multiply
    61,086,574.32x = 91,629,887.40 × 17,955,780.72
  4. Step 4: Simplify right side
    61,086,574.32x = 1,645,286,165,552,691
  5. Step 5: Solve for x
    x = 1,645,286,165,552,691/61,086,574.32
  6. Step 6: Final answer
    x = 26,933,678.70

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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.