Home / 84,312,921.52-116,306,949.90-51,283,272.88

Finding the Fourth Proportional to 84,312,921.52, 116,306,949.90 and 51,283,272.88

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Solution

The fourth proportional to 84,312,921.52, 116,306,949.90 and 51,283,272.88 is: 70,743,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,312,921.52 : 116,306,949.90 = 51,283,272.88 : x
  2. Step 2: Convert to fraction form
    84,312,921.52/116,306,949.90 = 51,283,272.88/x
  3. Step 3: Cross multiply
    84,312,921.52x = 116,306,949.90 × 51,283,272.88
  4. Step 4: Simplify right side
    84,312,921.52x = 5,964,601,049,562,189
  5. Step 5: Solve for x
    x = 5,964,601,049,562,189/84,312,921.52
  6. Step 6: Final answer
    x = 70,743,617.25

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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.