Home / 172,368,906.60-258,553,359.90-156,496,535.40

Finding the Fourth Proportional to 172,368,906.60, 258,553,359.90 and 156,496,535.40

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Solution

The fourth proportional to 172,368,906.60, 258,553,359.90 and 156,496,535.40 is: 234,744,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,368,906.60 : 258,553,359.90 = 156,496,535.40 : x
  2. Step 2: Convert to fraction form
    172,368,906.60/258,553,359.90 = 156,496,535.40/x
  3. Step 3: Cross multiply
    172,368,906.60x = 258,553,359.90 × 156,496,535.40
  4. Step 4: Simplify right side
    172,368,906.60x = 40,462,705,040,379,296
  5. Step 5: Solve for x
    x = 40,462,705,040,379,296/172,368,906.60
  6. Step 6: Final answer
    x = 234,744,803.10

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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.