Home / 66,065,443.26-99,098,128.41-20,631,131.58

Finding the Fourth Proportional to 66,065,443.26, 99,098,128.41 and 20,631,131.58

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Solution

The fourth proportional to 66,065,443.26, 99,098,128.41 and 20,631,131.58 is: 30,946,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065,443.26 : 99,098,128.41 = 20,631,131.58 : x
  2. Step 2: Convert to fraction form
    66,065,443.26/99,098,128.41 = 20,631,131.58/x
  3. Step 3: Cross multiply
    66,065,443.26x = 99,098,128.41 × 20,631,131.58
  4. Step 4: Simplify right side
    66,065,443.26x = 2,044,506,526,558,446
  5. Step 5: Solve for x
    x = 2,044,506,526,558,446/66,065,443.26
  6. Step 6: Final answer
    x = 30,946,685.98

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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.