Home / 118,487,431.28-177,667,242.48-53,755,916.24

Finding the Fourth Proportional to 118,487,431.28, 177,667,242.48 and 53,755,916.24

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Solution

The fourth proportional to 118,487,431.28, 177,667,242.48 and 53,755,916.24 is: 80,604,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,487,431.28 : 177,667,242.48 = 53,755,916.24 : x
  2. Step 2: Convert to fraction form
    118,487,431.28/177,667,242.48 = 53,755,916.24/x
  3. Step 3: Cross multiply
    118,487,431.28x = 177,667,242.48 × 53,755,916.24
  4. Step 4: Simplify right side
    118,487,431.28x = 9,550,665,405,346,650
  5. Step 5: Solve for x
    x = 9,550,665,405,346,650/118,487,431.28
  6. Step 6: Final answer
    x = 80,604,881.90

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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.