Home / 157,854,234.35-217,840,252.92-87,294,619.04

Finding the Fourth Proportional to 157,854,234.35, 217,840,252.92 and 87,294,619.04

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Solution

The fourth proportional to 157,854,234.35, 217,840,252.92 and 87,294,619.04 is: 120,467,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,854,234.35 : 217,840,252.92 = 87,294,619.04 : x
  2. Step 2: Convert to fraction form
    157,854,234.35/217,840,252.92 = 87,294,619.04/x
  3. Step 3: Cross multiply
    157,854,234.35x = 217,840,252.92 × 87,294,619.04
  4. Step 4: Simplify right side
    157,854,234.35x = 19,016,281,889,139,444
  5. Step 5: Solve for x
    x = 19,016,281,889,139,444/157,854,234.35
  6. Step 6: Final answer
    x = 120,467,353.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.