Home / 98,294,520.80-147,441,781.20-43,707,000.80

Finding the Fourth Proportional to 98,294,520.80, 147,441,781.20 and 43,707,000.80

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Solution

The fourth proportional to 98,294,520.80, 147,441,781.20 and 43,707,000.80 is: 65,560,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,294,520.80 : 147,441,781.20 = 43,707,000.80 : x
  2. Step 2: Convert to fraction form
    98,294,520.80/147,441,781.20 = 43,707,000.80/x
  3. Step 3: Cross multiply
    98,294,520.80x = 147,441,781.20 × 43,707,000.80
  4. Step 4: Simplify right side
    98,294,520.80x = 6,444,238,048,861,824
  5. Step 5: Solve for x
    x = 6,444,238,048,861,824/98,294,520.80
  6. Step 6: Final answer
    x = 65,560,501.20

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Double scale
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Similar ratio
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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.