Home / 295,247,660.10-442,871,490.15-172,299,768.90

Finding the Fourth Proportional to 295,247,660.10, 442,871,490.15 and 172,299,768.90

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Solution

The fourth proportional to 295,247,660.10, 442,871,490.15 and 172,299,768.90 is: 258,449,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,247,660.10 : 442,871,490.15 = 172,299,768.90 : x
  2. Step 2: Convert to fraction form
    295,247,660.10/442,871,490.15 = 172,299,768.90/x
  3. Step 3: Cross multiply
    295,247,660.10x = 442,871,490.15 × 172,299,768.90
  4. Step 4: Simplify right side
    295,247,660.10x = 76,306,655,405,243,632
  5. Step 5: Solve for x
    x = 76,306,655,405,243,632/295,247,660.10
  6. Step 6: Final answer
    x = 258,449,653.35

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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.