Home / 66,498,194.03-91,717,008.35-57,221,310.20

Finding the Fourth Proportional to 66,498,194.03, 91,717,008.35 and 57,221,310.20

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Solution

The fourth proportional to 66,498,194.03, 91,717,008.35 and 57,221,310.20 is: 78,921,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498,194.03 : 91,717,008.35 = 57,221,310.20 : x
  2. Step 2: Convert to fraction form
    66,498,194.03/91,717,008.35 = 57,221,310.20/x
  3. Step 3: Cross multiply
    66,498,194.03x = 91,717,008.35 × 57,221,310.20
  4. Step 4: Simplify right side
    66,498,194.03x = 5,248,167,384,666,649
  5. Step 5: Solve for x
    x = 5,248,167,384,666,649/66,498,194.03
  6. Step 6: Final answer
    x = 78,921,953.62

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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.