Home / 88,394,999.18-121,987,852.55-50,725,061.42

Finding the Fourth Proportional to 88,394,999.18, 121,987,852.55 and 50,725,061.42

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Solution

The fourth proportional to 88,394,999.18, 121,987,852.55 and 50,725,061.42 is: 70,002,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,394,999.18 : 121,987,852.55 = 50,725,061.42 : x
  2. Step 2: Convert to fraction form
    88,394,999.18/121,987,852.55 = 50,725,061.42/x
  3. Step 3: Cross multiply
    88,394,999.18x = 121,987,852.55 × 50,725,061.42
  4. Step 4: Simplify right side
    88,394,999.18x = 6,187,841,312,229,089
  5. Step 5: Solve for x
    x = 6,187,841,312,229,089/88,394,999.18
  6. Step 6: Final answer
    x = 70,002,164.94

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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.