Home / 83,412,637.60-124,929,999.60-49,400,413.60

Finding the Fourth Proportional to 83,412,637.60, 124,929,999.60 and 49,400,413.60

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Solution

The fourth proportional to 83,412,637.60, 124,929,999.60 and 49,400,413.60 is: 73,988,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,412,637.60 : 124,929,999.60 = 49,400,413.60 : x
  2. Step 2: Convert to fraction form
    83,412,637.60/124,929,999.60 = 49,400,413.60/x
  3. Step 3: Cross multiply
    83,412,637.60x = 124,929,999.60 × 49,400,413.60
  4. Step 4: Simplify right side
    83,412,637.60x = 6,171,593,651,287,834
  5. Step 5: Solve for x
    x = 6,171,593,651,287,834/83,412,637.60
  6. Step 6: Final answer
    x = 73,988,712.37

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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.