Home / 438,632,125.48-657,943,115.82-106,641,015.85

Finding the Fourth Proportional to 438,632,125.48, 657,943,115.82 and 106,641,015.85

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Solution

The fourth proportional to 438,632,125.48, 657,943,115.82 and 106,641,015.85 is: 159,960,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,632,125.48 : 657,943,115.82 = 106,641,015.85 : x
  2. Step 2: Convert to fraction form
    438,632,125.48/657,943,115.82 = 106,641,015.85/x
  3. Step 3: Cross multiply
    438,632,125.48x = 657,943,115.82 × 106,641,015.85
  4. Step 4: Simplify right side
    438,632,125.48x = 70,163,722,242,981,520
  5. Step 5: Solve for x
    x = 70,163,722,242,981,520/438,632,125.48
  6. Step 6: Final answer
    x = 159,960,290.57

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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.