Home / 245,371,307.75-338,610,797.38-139,524,730.79

Finding the Fourth Proportional to 245,371,307.75, 338,610,797.38 and 139,524,730.79

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Solution

The fourth proportional to 245,371,307.75, 338,610,797.38 and 139,524,730.79 is: 192,543,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,371,307.75 : 338,610,797.38 = 139,524,730.79 : x
  2. Step 2: Convert to fraction form
    245,371,307.75/338,610,797.38 = 139,524,730.79/x
  3. Step 3: Cross multiply
    245,371,307.75x = 338,610,797.38 × 139,524,730.79
  4. Step 4: Simplify right side
    245,371,307.75x = 47,244,580,344,989,872
  5. Step 5: Solve for x
    x = 47,244,580,344,989,872/245,371,307.75
  6. Step 6: Final answer
    x = 192,543,214.52

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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.