Home / 68,037,875.70-102,028,437.15-21,339,330.04

Finding the Fourth Proportional to 68,037,875.70, 102,028,437.15 and 21,339,330.04

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Solution

The fourth proportional to 68,037,875.70, 102,028,437.15 and 21,339,330.04 is: 32,000,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,037,875.70 : 102,028,437.15 = 21,339,330.04 : x
  2. Step 2: Convert to fraction form
    68,037,875.70/102,028,437.15 = 21,339,330.04/x
  3. Step 3: Cross multiply
    68,037,875.70x = 102,028,437.15 × 21,339,330.04
  4. Step 4: Simplify right side
    68,037,875.70x = 2,177,218,493,634,198.50
  5. Step 5: Solve for x
    x = 2,177,218,493,634,198.50/68,037,875.70
  6. Step 6: Final answer
    x = 32,000,095.11

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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.