Home / 61,344,067.20-92,016,100.80-18,219,926.40

Finding the Fourth Proportional to 61,344,067.20, 92,016,100.80 and 18,219,926.40

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Solution

The fourth proportional to 61,344,067.20, 92,016,100.80 and 18,219,926.40 is: 27,329,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,344,067.20 : 92,016,100.80 = 18,219,926.40 : x
  2. Step 2: Convert to fraction form
    61,344,067.20/92,016,100.80 = 18,219,926.40/x
  3. Step 3: Cross multiply
    61,344,067.20x = 92,016,100.80 × 18,219,926.40
  4. Step 4: Simplify right side
    61,344,067.20x = 1,676,526,584,190,981
  5. Step 5: Solve for x
    x = 1,676,526,584,190,981/61,344,067.20
  6. Step 6: Final answer
    x = 27,329,889.60

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1.5x scale

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.