Home / 66,821,036.90-100,231,555.35-32,808,812.90

Finding the Fourth Proportional to 66,821,036.90, 100,231,555.35 and 32,808,812.90

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Solution

The fourth proportional to 66,821,036.90, 100,231,555.35 and 32,808,812.90 is: 49,213,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,821,036.90 : 100,231,555.35 = 32,808,812.90 : x
  2. Step 2: Convert to fraction form
    66,821,036.90/100,231,555.35 = 32,808,812.90/x
  3. Step 3: Cross multiply
    66,821,036.90x = 100,231,555.35 × 32,808,812.90
  4. Step 4: Simplify right side
    66,821,036.90x = 3,288,478,346,154,143.50
  5. Step 5: Solve for x
    x = 3,288,478,346,154,143.50/66,821,036.90
  6. Step 6: Final answer
    x = 49,213,219.35

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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.