Home / 158,449,234.60-237,673,851.90-81,921,730.60

Finding the Fourth Proportional to 158,449,234.60, 237,673,851.90 and 81,921,730.60

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Solution

The fourth proportional to 158,449,234.60, 237,673,851.90 and 81,921,730.60 is: 122,882,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,449,234.60 : 237,673,851.90 = 81,921,730.60 : x
  2. Step 2: Convert to fraction form
    158,449,234.60/237,673,851.90 = 81,921,730.60/x
  3. Step 3: Cross multiply
    158,449,234.60x = 237,673,851.90 × 81,921,730.60
  4. Step 4: Simplify right side
    158,449,234.60x = 19,470,653,266,016,096
  5. Step 5: Solve for x
    x = 19,470,653,266,016,096/158,449,234.60
  6. Step 6: Final answer
    x = 122,882,595.90

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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.