Home / 283,315,923.75-390,965,652.75-157,861,637.61

Finding the Fourth Proportional to 283,315,923.75, 390,965,652.75 and 157,861,637.61

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Solution

The fourth proportional to 283,315,923.75, 390,965,652.75 and 157,861,637.61 is: 217,843,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,315,923.75 : 390,965,652.75 = 157,861,637.61 : x
  2. Step 2: Convert to fraction form
    283,315,923.75/390,965,652.75 = 157,861,637.61/x
  3. Step 3: Cross multiply
    283,315,923.75x = 390,965,652.75 × 157,861,637.61
  4. Step 4: Simplify right side
    283,315,923.75x = 61,718,478,191,503,456
  5. Step 5: Solve for x
    x = 61,718,478,191,503,456/283,315,923.75
  6. Step 6: Final answer
    x = 217,843,308.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.