Home / 308,215,452-462,276,465.18-83,884,627.56

Finding the Fourth Proportional to 308,215,452, 462,276,465.18 and 83,884,627.56

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Solution

The fourth proportional to 308,215,452, 462,276,465.18 and 83,884,627.56 is: 125,814,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,215,452 : 462,276,465.18 = 83,884,627.56 : x
  2. Step 2: Convert to fraction form
    308,215,452/462,276,465.18 = 83,884,627.56/x
  3. Step 3: Cross multiply
    308,215,452x = 462,276,465.18 × 83,884,627.56
  4. Step 4: Simplify right side
    308,215,452x = 38,777,889,111,377,608
  5. Step 5: Solve for x
    x = 38,777,889,111,377,608/308,215,452
  6. Step 6: Final answer
    x = 125,814,227.87

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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.