Home / 69,533,693.60-104,300,540.40-68,190,000.80

Finding the Fourth Proportional to 69,533,693.60, 104,300,540.40 and 68,190,000.80

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Solution

The fourth proportional to 69,533,693.60, 104,300,540.40 and 68,190,000.80 is: 102,285,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,533,693.60 : 104,300,540.40 = 68,190,000.80 : x
  2. Step 2: Convert to fraction form
    69,533,693.60/104,300,540.40 = 68,190,000.80/x
  3. Step 3: Cross multiply
    69,533,693.60x = 104,300,540.40 × 68,190,000.80
  4. Step 4: Simplify right side
    69,533,693.60x = 7,112,253,933,316,432
  5. Step 5: Solve for x
    x = 7,112,253,933,316,432/69,533,693.60
  6. Step 6: Final answer
    x = 102,285,001.20

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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.