Home / 61,274,671.20-91,805,718.60-39,698,166.60

Finding the Fourth Proportional to 61,274,671.20, 91,805,718.60 and 39,698,166.60

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Solution

The fourth proportional to 61,274,671.20, 91,805,718.60 and 39,698,166.60 is: 59,478,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,274,671.20 : 91,805,718.60 = 39,698,166.60 : x
  2. Step 2: Convert to fraction form
    61,274,671.20/91,805,718.60 = 39,698,166.60/x
  3. Step 3: Cross multiply
    61,274,671.20x = 91,805,718.60 × 39,698,166.60
  4. Step 4: Simplify right side
    61,274,671.20x = 3,644,518,711,815,518.50
  5. Step 5: Solve for x
    x = 3,644,518,711,815,518.50/61,274,671.20
  6. Step 6: Final answer
    x = 59,478,388.71

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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.