Home / 84,279,940.24-116,315,759.28-47,612,873.20

Finding the Fourth Proportional to 84,279,940.24, 116,315,759.28 and 47,612,873.20

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Solution

The fourth proportional to 84,279,940.24, 116,315,759.28 and 47,612,873.20 is: 65,711,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279,940.24 : 116,315,759.28 = 47,612,873.20 : x
  2. Step 2: Convert to fraction form
    84,279,940.24/116,315,759.28 = 47,612,873.20/x
  3. Step 3: Cross multiply
    84,279,940.24x = 116,315,759.28 × 47,612,873.20
  4. Step 4: Simplify right side
    84,279,940.24x = 5,538,127,497,760,364
  5. Step 5: Solve for x
    x = 5,538,127,497,760,364/84,279,940.24
  6. Step 6: Final answer
    x = 65,711,099.01

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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.