Home / 68,010,174-102,021,387.12-21,953,134.80

Finding the Fourth Proportional to 68,010,174, 102,021,387.12 and 21,953,134.80

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Solution

The fourth proportional to 68,010,174, 102,021,387.12 and 21,953,134.80 is: 32,931,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010,174 : 102,021,387.12 = 21,953,134.80 : x
  2. Step 2: Convert to fraction form
    68,010,174/102,021,387.12 = 21,953,134.80/x
  3. Step 3: Cross multiply
    68,010,174x = 102,021,387.12 × 21,953,134.80
  4. Step 4: Simplify right side
    68,010,174x = 2,239,689,263,928,344
  5. Step 5: Solve for x
    x = 2,239,689,263,928,344/68,010,174
  6. Step 6: Final answer
    x = 32,931,679.66

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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.