Home / 295,116,815.20-442,675,222.80-172,672,808.80

Finding the Fourth Proportional to 295,116,815.20, 442,675,222.80 and 172,672,808.80

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Solution

The fourth proportional to 295,116,815.20, 442,675,222.80 and 172,672,808.80 is: 259,009,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,116,815.20 : 442,675,222.80 = 172,672,808.80 : x
  2. Step 2: Convert to fraction form
    295,116,815.20/442,675,222.80 = 172,672,808.80/x
  3. Step 3: Cross multiply
    295,116,815.20x = 442,675,222.80 × 172,672,808.80
  4. Step 4: Simplify right side
    295,116,815.20x = 76,437,974,107,041,808
  5. Step 5: Solve for x
    x = 76,437,974,107,041,808/295,116,815.20
  6. Step 6: Final answer
    x = 259,009,213.20

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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.