Home / 249,375,078.45-344,148,236.33-139,366,788.21

Finding the Fourth Proportional to 249,375,078.45, 344,148,236.33 and 139,366,788.21

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Solution

The fourth proportional to 249,375,078.45, 344,148,236.33 and 139,366,788.21 is: 192,332,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,375,078.45 : 344,148,236.33 = 139,366,788.21 : x
  2. Step 2: Convert to fraction form
    249,375,078.45/344,148,236.33 = 139,366,788.21/x
  3. Step 3: Cross multiply
    249,375,078.45x = 344,148,236.33 × 139,366,788.21
  4. Step 4: Simplify right side
    249,375,078.45x = 47,962,834,364,751,304
  5. Step 5: Solve for x
    x = 47,962,834,364,751,304/249,375,078.45
  6. Step 6: Final answer
    x = 192,332,107.37

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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.