Home / 69,831,143.28-96,367,007.34-40,479,501.06

Finding the Fourth Proportional to 69,831,143.28, 96,367,007.34 and 40,479,501.06

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Solution

The fourth proportional to 69,831,143.28, 96,367,007.34 and 40,479,501.06 is: 55,861,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,831,143.28 : 96,367,007.34 = 40,479,501.06 : x
  2. Step 2: Convert to fraction form
    69,831,143.28/96,367,007.34 = 40,479,501.06/x
  3. Step 3: Cross multiply
    69,831,143.28x = 96,367,007.34 × 40,479,501.06
  4. Step 4: Simplify right side
    69,831,143.28x = 3,900,888,375,768,558
  5. Step 5: Solve for x
    x = 3,900,888,375,768,558/69,831,143.28
  6. Step 6: Final answer
    x = 55,861,728.63

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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.