Home / 143,080,535.72-197,493,957.59-83,557,887.75

Finding the Fourth Proportional to 143,080,535.72, 197,493,957.59 and 83,557,887.75

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Solution

The fourth proportional to 143,080,535.72, 197,493,957.59 and 83,557,887.75 is: 115,334,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,080,535.72 : 197,493,957.59 = 83,557,887.75 : x
  2. Step 2: Convert to fraction form
    143,080,535.72/197,493,957.59 = 83,557,887.75/x
  3. Step 3: Cross multiply
    143,080,535.72x = 197,493,957.59 × 83,557,887.75
  4. Step 4: Simplify right side
    143,080,535.72x = 16,502,177,939,190,692
  5. Step 5: Solve for x
    x = 16,502,177,939,190,692/143,080,535.72
  6. Step 6: Final answer
    x = 115,334,890.63

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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.