Home / 295,170,859.90-442,945,246.65-172,348,939.90

Finding the Fourth Proportional to 295,170,859.90, 442,945,246.65 and 172,348,939.90

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Solution

The fourth proportional to 295,170,859.90, 442,945,246.65 and 172,348,939.90 is: 258,633,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,170,859.90 : 442,945,246.65 = 172,348,939.90 : x
  2. Step 2: Convert to fraction form
    295,170,859.90/442,945,246.65 = 172,348,939.90/x
  3. Step 3: Cross multiply
    295,170,859.90x = 442,945,246.65 × 172,348,939.90
  4. Step 4: Simplify right side
    295,170,859.90x = 76,341,143,693,871,520
  5. Step 5: Solve for x
    x = 76,341,143,693,871,520/295,170,859.90
  6. Step 6: Final answer
    x = 258,633,740.88

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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.