Home / 23,477,430.30-35,216,145.45-20,230,172.70

Finding the Fourth Proportional to 23,477,430.30, 35,216,145.45 and 20,230,172.70

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Solution

The fourth proportional to 23,477,430.30, 35,216,145.45 and 20,230,172.70 is: 30,345,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,477,430.30 : 35,216,145.45 = 20,230,172.70 : x
  2. Step 2: Convert to fraction form
    23,477,430.30/35,216,145.45 = 20,230,172.70/x
  3. Step 3: Cross multiply
    23,477,430.30x = 35,216,145.45 × 20,230,172.70
  4. Step 4: Simplify right side
    23,477,430.30x = 712,428,704,281,819.25
  5. Step 5: Solve for x
    x = 712,428,704,281,819.25/23,477,430.30
  6. Step 6: Final answer
    x = 30,345,259.05

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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.