Home / 379,540,933.93-569,389,049.42-130,513,849.18

Finding the Fourth Proportional to 379,540,933.93, 569,389,049.42 and 130,513,849.18

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Solution

The fourth proportional to 379,540,933.93, 569,389,049.42 and 130,513,849.18 is: 195,797,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,540,933.93 : 569,389,049.42 = 130,513,849.18 : x
  2. Step 2: Convert to fraction form
    379,540,933.93/569,389,049.42 = 130,513,849.18/x
  3. Step 3: Cross multiply
    379,540,933.93x = 569,389,049.42 × 130,513,849.18
  4. Step 4: Simplify right side
    379,540,933.93x = 74,313,156,520,745,440
  5. Step 5: Solve for x
    x = 74,313,156,520,745,440/379,540,933.93
  6. Step 6: Final answer
    x = 195,797,475.00

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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.