Home / 90,985,816.20-136,478,724.30-50,596,300.20

Finding the Fourth Proportional to 90,985,816.20, 136,478,724.30 and 50,596,300.20

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Solution

The fourth proportional to 90,985,816.20, 136,478,724.30 and 50,596,300.20 is: 75,894,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,985,816.20 : 136,478,724.30 = 50,596,300.20 : x
  2. Step 2: Convert to fraction form
    90,985,816.20/136,478,724.30 = 50,596,300.20/x
  3. Step 3: Cross multiply
    90,985,816.20x = 136,478,724.30 × 50,596,300.20
  4. Step 4: Simplify right side
    90,985,816.20x = 6,905,318,505,595,836
  5. Step 5: Solve for x
    x = 6,905,318,505,595,836/90,985,816.20
  6. Step 6: Final answer
    x = 75,894,450.30

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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.