Home / 285,345,014.10-428,150,231.55-149,184,143.70

Finding the Fourth Proportional to 285,345,014.10, 428,150,231.55 and 149,184,143.70

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Solution

The fourth proportional to 285,345,014.10, 428,150,231.55 and 149,184,143.70 is: 223,845,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,345,014.10 : 428,150,231.55 = 149,184,143.70 : x
  2. Step 2: Convert to fraction form
    285,345,014.10/428,150,231.55 = 149,184,143.70/x
  3. Step 3: Cross multiply
    285,345,014.10x = 428,150,231.55 × 149,184,143.70
  4. Step 4: Simplify right side
    285,345,014.10x = 63,873,225,668,743,472
  5. Step 5: Solve for x
    x = 63,873,225,668,743,472/285,345,014.10
  6. Step 6: Final answer
    x = 223,845,599.23

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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.