Home / 91,380,442.68-137,057,181.18-26,666,872.12

Finding the Fourth Proportional to 91,380,442.68, 137,057,181.18 and 26,666,872.12

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Solution

The fourth proportional to 91,380,442.68, 137,057,181.18 and 26,666,872.12 is: 39,996,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,380,442.68 : 137,057,181.18 = 26,666,872.12 : x
  2. Step 2: Convert to fraction form
    91,380,442.68/137,057,181.18 = 26,666,872.12/x
  3. Step 3: Cross multiply
    91,380,442.68x = 137,057,181.18 × 26,666,872.12
  4. Step 4: Simplify right side
    91,380,442.68x = 3,654,886,323,654,731
  5. Step 5: Solve for x
    x = 3,654,886,323,654,731/91,380,442.68
  6. Step 6: Final answer
    x = 39,996,373.58

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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.