Home / 243,312,912.60-365,004,798.30-79,510,986.60

Finding the Fourth Proportional to 243,312,912.60, 365,004,798.30 and 79,510,986.60

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Solution

The fourth proportional to 243,312,912.60, 365,004,798.30 and 79,510,986.60 is: 119,278,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,312,912.60 : 365,004,798.30 = 79,510,986.60 : x
  2. Step 2: Convert to fraction form
    243,312,912.60/365,004,798.30 = 79,510,986.60/x
  3. Step 3: Cross multiply
    243,312,912.60x = 365,004,798.30 × 79,510,986.60
  4. Step 4: Simplify right side
    243,312,912.60x = 29,021,891,626,567,000
  5. Step 5: Solve for x
    x = 29,021,891,626,567,000/243,312,912.60
  6. Step 6: Final answer
    x = 119,278,057.69

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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.