Home / 109,974,218.40-165,067,615.80-66,927,497.40

Finding the Fourth Proportional to 109,974,218.40, 165,067,615.80 and 66,927,497.40

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Solution

The fourth proportional to 109,974,218.40, 165,067,615.80 and 66,927,497.40 is: 100,455,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,974,218.40 : 165,067,615.80 = 66,927,497.40 : x
  2. Step 2: Convert to fraction form
    109,974,218.40/165,067,615.80 = 66,927,497.40/x
  3. Step 3: Cross multiply
    109,974,218.40x = 165,067,615.80 × 66,927,497.40
  4. Step 4: Simplify right side
    109,974,218.40x = 11,047,562,427,278,700
  5. Step 5: Solve for x
    x = 11,047,562,427,278,700/109,974,218.40
  6. Step 6: Final answer
    x = 100,455,930.38

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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.