Home / 67,266,948.01-100,890,841.29-21,202,830.55

Finding the Fourth Proportional to 67,266,948.01, 100,890,841.29 and 21,202,830.55

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Solution

The fourth proportional to 67,266,948.01, 100,890,841.29 and 21,202,830.55 is: 31,801,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,266,948.01 : 100,890,841.29 = 21,202,830.55 : x
  2. Step 2: Convert to fraction form
    67,266,948.01/100,890,841.29 = 21,202,830.55/x
  3. Step 3: Cross multiply
    67,266,948.01x = 100,890,841.29 × 21,202,830.55
  4. Step 4: Simplify right side
    67,266,948.01x = 2,139,171,412,044,927
  5. Step 5: Solve for x
    x = 2,139,171,412,044,927/67,266,948.01
  6. Step 6: Final answer
    x = 31,801,225.94

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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.