Home / 66,429,799.30-99,644,698.95-18,560,743.30

Finding the Fourth Proportional to 66,429,799.30, 99,644,698.95 and 18,560,743.30

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Solution

The fourth proportional to 66,429,799.30, 99,644,698.95 and 18,560,743.30 is: 27,841,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,799.30 : 99,644,698.95 = 18,560,743.30 : x
  2. Step 2: Convert to fraction form
    66,429,799.30/99,644,698.95 = 18,560,743.30/x
  3. Step 3: Cross multiply
    66,429,799.30x = 99,644,698.95 × 18,560,743.30
  4. Step 4: Simplify right side
    66,429,799.30x = 1,849,479,678,416,729.75
  5. Step 5: Solve for x
    x = 1,849,479,678,416,729.75/66,429,799.30
  6. Step 6: Final answer
    x = 27,841,114.95

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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.