Home / 310,031,255.70-465,046,883.55-206,719,125.30

Finding the Fourth Proportional to 310,031,255.70, 465,046,883.55 and 206,719,125.30

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Solution

The fourth proportional to 310,031,255.70, 465,046,883.55 and 206,719,125.30 is: 310,078,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,031,255.70 : 465,046,883.55 = 206,719,125.30 : x
  2. Step 2: Convert to fraction form
    310,031,255.70/465,046,883.55 = 206,719,125.30/x
  3. Step 3: Cross multiply
    310,031,255.70x = 465,046,883.55 × 206,719,125.30
  4. Step 4: Simplify right side
    310,031,255.70x = 96,134,084,990,946,960
  5. Step 5: Solve for x
    x = 96,134,084,990,946,960/310,031,255.70
  6. Step 6: Final answer
    x = 310,078,687.95

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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.