Home / 312,756,082.20-469,358,072.10-131,133,605.40

Finding the Fourth Proportional to 312,756,082.20, 469,358,072.10 and 131,133,605.40

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Solution

The fourth proportional to 312,756,082.20, 469,358,072.10 and 131,133,605.40 is: 196,794,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,756,082.20 : 469,358,072.10 = 131,133,605.40 : x
  2. Step 2: Convert to fraction form
    312,756,082.20/469,358,072.10 = 131,133,605.40/x
  3. Step 3: Cross multiply
    312,756,082.20x = 469,358,072.10 × 131,133,605.40
  4. Step 4: Simplify right side
    312,756,082.20x = 61,548,616,218,066,152
  5. Step 5: Solve for x
    x = 61,548,616,218,066,152/312,756,082.20
  6. Step 6: Final answer
    x = 196,794,306.24

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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.