Home / 217,727,834.79-300,464,279.55-119,942,690.79

Finding the Fourth Proportional to 217,727,834.79, 300,464,279.55 and 119,942,690.79

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Solution

The fourth proportional to 217,727,834.79, 300,464,279.55 and 119,942,690.79 is: 165,520,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,727,834.79 : 300,464,279.55 = 119,942,690.79 : x
  2. Step 2: Convert to fraction form
    217,727,834.79/300,464,279.55 = 119,942,690.79/x
  3. Step 3: Cross multiply
    217,727,834.79x = 300,464,279.55 × 119,942,690.79
  4. Step 4: Simplify right side
    217,727,834.79x = 36,038,494,176,632,512
  5. Step 5: Solve for x
    x = 36,038,494,176,632,512/217,727,834.79
  6. Step 6: Final answer
    x = 165,520,840.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.