Home / 39,312,122.40-58,968,183.60-20,180,246.40

Finding the Fourth Proportional to 39,312,122.40, 58,968,183.60 and 20,180,246.40

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Solution

The fourth proportional to 39,312,122.40, 58,968,183.60 and 20,180,246.40 is: 30,270,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312,122.40 : 58,968,183.60 = 20,180,246.40 : x
  2. Step 2: Convert to fraction form
    39,312,122.40/58,968,183.60 = 20,180,246.40/x
  3. Step 3: Cross multiply
    39,312,122.40x = 58,968,183.60 × 20,180,246.40
  4. Step 4: Simplify right side
    39,312,122.40x = 1,189,992,474,808,439
  5. Step 5: Solve for x
    x = 1,189,992,474,808,439/39,312,122.40
  6. Step 6: Final answer
    x = 30,270,369.60

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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.