Home / 89,145,200.40-133,717,800.60-55,132,976.40

Finding the Fourth Proportional to 89,145,200.40, 133,717,800.60 and 55,132,976.40

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Solution

The fourth proportional to 89,145,200.40, 133,717,800.60 and 55,132,976.40 is: 82,699,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,145,200.40 : 133,717,800.60 = 55,132,976.40 : x
  2. Step 2: Convert to fraction form
    89,145,200.40/133,717,800.60 = 55,132,976.40/x
  3. Step 3: Cross multiply
    89,145,200.40x = 133,717,800.60 × 55,132,976.40
  4. Step 4: Simplify right side
    89,145,200.40x = 7,372,260,344,739,705
  5. Step 5: Solve for x
    x = 7,372,260,344,739,705/89,145,200.40
  6. Step 6: Final answer
    x = 82,699,464.60

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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.