Home / 143,080,534.97-197,493,956.55-83,557,887.02

Finding the Fourth Proportional to 143,080,534.97, 197,493,956.55 and 83,557,887.02

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Solution

The fourth proportional to 143,080,534.97, 197,493,956.55 and 83,557,887.02 is: 115,334,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,080,534.97 : 197,493,956.55 = 83,557,887.02 : x
  2. Step 2: Convert to fraction form
    143,080,534.97/197,493,956.55 = 83,557,887.02/x
  3. Step 3: Cross multiply
    143,080,534.97x = 197,493,956.55 × 83,557,887.02
  4. Step 4: Simplify right side
    143,080,534.97x = 16,502,177,707,550,220
  5. Step 5: Solve for x
    x = 16,502,177,707,550,220/143,080,534.97
  6. Step 6: Final answer
    x = 115,334,889.62

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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.