Home / 146,780,104.70-220,170,157.05-44,543,978.30

Finding the Fourth Proportional to 146,780,104.70, 220,170,157.05 and 44,543,978.30

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Solution

The fourth proportional to 146,780,104.70, 220,170,157.05 and 44,543,978.30 is: 66,815,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,780,104.70 : 220,170,157.05 = 44,543,978.30 : x
  2. Step 2: Convert to fraction form
    146,780,104.70/220,170,157.05 = 44,543,978.30/x
  3. Step 3: Cross multiply
    146,780,104.70x = 220,170,157.05 × 44,543,978.30
  4. Step 4: Simplify right side
    146,780,104.70x = 9,807,254,697,942,792
  5. Step 5: Solve for x
    x = 9,807,254,697,942,792/146,780,104.70
  6. Step 6: Final answer
    x = 66,815,967.45

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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.