Home / 53,945,110.90-80,917,666.35-53,609,187.70

Finding the Fourth Proportional to 53,945,110.90, 80,917,666.35 and 53,609,187.70

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Solution

The fourth proportional to 53,945,110.90, 80,917,666.35 and 53,609,187.70 is: 80,413,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945,110.90 : 80,917,666.35 = 53,609,187.70 : x
  2. Step 2: Convert to fraction form
    53,945,110.90/80,917,666.35 = 53,609,187.70/x
  3. Step 3: Cross multiply
    53,945,110.90x = 80,917,666.35 × 53,609,187.70
  4. Step 4: Simplify right side
    53,945,110.90x = 4,337,930,363,603,124
  5. Step 5: Solve for x
    x = 4,337,930,363,603,124/53,945,110.90
  6. Step 6: Final answer
    x = 80,413,781.55

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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.