Home / 295,190,042.40-442,974,020.40-172,368,122.40

Finding the Fourth Proportional to 295,190,042.40, 442,974,020.40 and 172,368,122.40

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Solution

The fourth proportional to 295,190,042.40, 442,974,020.40 and 172,368,122.40 is: 258,662,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,190,042.40 : 442,974,020.40 = 172,368,122.40 : x
  2. Step 2: Convert to fraction form
    295,190,042.40/442,974,020.40 = 172,368,122.40/x
  3. Step 3: Cross multiply
    295,190,042.40x = 442,974,020.40 × 172,368,122.40
  4. Step 4: Simplify right side
    295,190,042.40x = 76,354,600,168,327,296
  5. Step 5: Solve for x
    x = 76,354,600,168,327,296/295,190,042.40
  6. Step 6: Final answer
    x = 258,662,519.74

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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.