Home / 68,126,034.12-102,188,442.21-21,443,041.10

Finding the Fourth Proportional to 68,126,034.12, 102,188,442.21 and 21,443,041.10

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Solution

The fourth proportional to 68,126,034.12, 102,188,442.21 and 21,443,041.10 is: 32,164,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,126,034.12 : 102,188,442.21 = 21,443,041.10 : x
  2. Step 2: Convert to fraction form
    68,126,034.12/102,188,442.21 = 21,443,041.10/x
  3. Step 3: Cross multiply
    68,126,034.12x = 102,188,442.21 × 21,443,041.10
  4. Step 4: Simplify right side
    68,126,034.12x = 2,191,230,966,429,064.50
  5. Step 5: Solve for x
    x = 2,191,230,966,429,064.50/68,126,034.12
  6. Step 6: Final answer
    x = 32,164,369.98

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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.