Home / 136,605,747.79-188,485,725.45-83,693,635.03

Finding the Fourth Proportional to 136,605,747.79, 188,485,725.45 and 83,693,635.03

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Solution

The fourth proportional to 136,605,747.79, 188,485,725.45 and 83,693,635.03 is: 115,478,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,605,747.79 : 188,485,725.45 = 83,693,635.03 : x
  2. Step 2: Convert to fraction form
    136,605,747.79/188,485,725.45 = 83,693,635.03/x
  3. Step 3: Cross multiply
    136,605,747.79x = 188,485,725.45 × 83,693,635.03
  4. Step 4: Simplify right side
    136,605,747.79x = 15,775,055,514,177,082
  5. Step 5: Solve for x
    x = 15,775,055,514,177,082/136,605,747.79
  6. Step 6: Final answer
    x = 115,478,709.86

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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.