Home / 274,897,098.40-412,345,647.60-121,464,176.80

Finding the Fourth Proportional to 274,897,098.40, 412,345,647.60 and 121,464,176.80

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Solution

The fourth proportional to 274,897,098.40, 412,345,647.60 and 121,464,176.80 is: 182,196,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,897,098.40 : 412,345,647.60 = 121,464,176.80 : x
  2. Step 2: Convert to fraction form
    274,897,098.40/412,345,647.60 = 121,464,176.80/x
  3. Step 3: Cross multiply
    274,897,098.40x = 412,345,647.60 × 121,464,176.80
  4. Step 4: Simplify right side
    274,897,098.40x = 50,085,224,642,796,896
  5. Step 5: Solve for x
    x = 50,085,224,642,796,896/274,897,098.40
  6. Step 6: Final answer
    x = 182,196,265.20

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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.