Home / 118,487,427.78-177,667,237.23-53,755,912.74

Finding the Fourth Proportional to 118,487,427.78, 177,667,237.23 and 53,755,912.74

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Solution

The fourth proportional to 118,487,427.78, 177,667,237.23 and 53,755,912.74 is: 80,604,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,487,427.78 : 177,667,237.23 = 53,755,912.74 : x
  2. Step 2: Convert to fraction form
    118,487,427.78/177,667,237.23 = 53,755,912.74/x
  3. Step 3: Cross multiply
    118,487,427.78x = 177,667,237.23 × 53,755,912.74
  4. Step 4: Simplify right side
    118,487,427.78x = 9,550,664,501,292,760
  5. Step 5: Solve for x
    x = 9,550,664,501,292,760/118,487,427.78
  6. Step 6: Final answer
    x = 80,604,876.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.