Home / 181,380,049.32-272,042,020.86-66,337,686.12

Finding the Fourth Proportional to 181,380,049.32, 272,042,020.86 and 66,337,686.12

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Solution

The fourth proportional to 181,380,049.32, 272,042,020.86 and 66,337,686.12 is: 99,496,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,380,049.32 : 272,042,020.86 = 66,337,686.12 : x
  2. Step 2: Convert to fraction form
    181,380,049.32/272,042,020.86 = 66,337,686.12/x
  3. Step 3: Cross multiply
    181,380,049.32x = 272,042,020.86 × 66,337,686.12
  4. Step 4: Simplify right side
    181,380,049.32x = 18,046,638,191,261,172
  5. Step 5: Solve for x
    x = 18,046,638,191,261,172/181,380,049.32
  6. Step 6: Final answer
    x = 99,496,269.07

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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.