Home / 93,504,112.80-140,256,169.20-76,498,000.80

Finding the Fourth Proportional to 93,504,112.80, 140,256,169.20 and 76,498,000.80

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Solution

The fourth proportional to 93,504,112.80, 140,256,169.20 and 76,498,000.80 is: 114,747,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,504,112.80 : 140,256,169.20 = 76,498,000.80 : x
  2. Step 2: Convert to fraction form
    93,504,112.80/140,256,169.20 = 76,498,000.80/x
  3. Step 3: Cross multiply
    93,504,112.80x = 140,256,169.20 × 76,498,000.80
  4. Step 4: Simplify right side
    93,504,112.80x = 10,729,316,543,666,534
  5. Step 5: Solve for x
    x = 10,729,316,543,666,534/93,504,112.80
  6. Step 6: Final answer
    x = 114,747,001.20

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1.5x scale

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.