Home / 295,190,028.90-442,974,000.15-172,368,108.90

Finding the Fourth Proportional to 295,190,028.90, 442,974,000.15 and 172,368,108.90

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Solution

The fourth proportional to 295,190,028.90, 442,974,000.15 and 172,368,108.90 is: 258,662,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,190,028.90 : 442,974,000.15 = 172,368,108.90 : x
  2. Step 2: Convert to fraction form
    295,190,028.90/442,974,000.15 = 172,368,108.90/x
  3. Step 3: Cross multiply
    295,190,028.90x = 442,974,000.15 × 172,368,108.90
  4. Step 4: Simplify right side
    295,190,028.90x = 76,354,590,697,723,808
  5. Step 5: Solve for x
    x = 76,354,590,697,723,808/295,190,028.90
  6. Step 6: Final answer
    x = 258,662,499.48

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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.