Home / 166,617,662.61-250,087,698.51-80,416,751.43

Finding the Fourth Proportional to 166,617,662.61, 250,087,698.51 and 80,416,751.43

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Solution

The fourth proportional to 166,617,662.61, 250,087,698.51 and 80,416,751.43 is: 120,702,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,617,662.61 : 250,087,698.51 = 80,416,751.43 : x
  2. Step 2: Convert to fraction form
    166,617,662.61/250,087,698.51 = 80,416,751.43/x
  3. Step 3: Cross multiply
    166,617,662.61x = 250,087,698.51 × 80,416,751.43
  4. Step 4: Simplify right side
    166,617,662.61x = 20,111,240,286,779,452
  5. Step 5: Solve for x
    x = 20,111,240,286,779,452/166,617,662.61
  6. Step 6: Final answer
    x = 120,702,931.32

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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.