Home / 249,784,146.38-344,704,849.22-138,276,849.76

Finding the Fourth Proportional to 249,784,146.38, 344,704,849.22 and 138,276,849.76

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Solution

The fourth proportional to 249,784,146.38, 344,704,849.22 and 138,276,849.76 is: 190,823,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,784,146.38 : 344,704,849.22 = 138,276,849.76 : x
  2. Step 2: Convert to fraction form
    249,784,146.38/344,704,849.22 = 138,276,849.76/x
  3. Step 3: Cross multiply
    249,784,146.38x = 344,704,849.22 × 138,276,849.76
  4. Step 4: Simplify right side
    249,784,146.38x = 47,664,700,647,137,392
  5. Step 5: Solve for x
    x = 47,664,700,647,137,392/249,784,146.38
  6. Step 6: Final answer
    x = 190,823,562.42

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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.