Home / 482,508,207.23-723,642,736.55-137,464,823.57

Finding the Fourth Proportional to 482,508,207.23, 723,642,736.55 and 137,464,823.57

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Solution

The fourth proportional to 482,508,207.23, 723,642,736.55 and 137,464,823.57 is: 206,163,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,508,207.23 : 723,642,736.55 = 137,464,823.57 : x
  2. Step 2: Convert to fraction form
    482,508,207.23/723,642,736.55 = 137,464,823.57/x
  3. Step 3: Cross multiply
    482,508,207.23x = 723,642,736.55 × 137,464,823.57
  4. Step 4: Simplify right side
    482,508,207.23x = 99,475,421,103,252,192
  5. Step 5: Solve for x
    x = 99,475,421,103,252,192/482,508,207.23
  6. Step 6: Final answer
    x = 206,163,169.07

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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.