Home / 249,784,143.38-344,704,845.07-138,276,846.75

Finding the Fourth Proportional to 249,784,143.38, 344,704,845.07 and 138,276,846.75

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Solution

The fourth proportional to 249,784,143.38, 344,704,845.07 and 138,276,846.75 is: 190,823,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,784,143.38 : 344,704,845.07 = 138,276,846.75 : x
  2. Step 2: Convert to fraction form
    249,784,143.38/344,704,845.07 = 138,276,846.75/x
  3. Step 3: Cross multiply
    249,784,143.38x = 344,704,845.07 × 138,276,846.75
  4. Step 4: Simplify right side
    249,784,143.38x = 47,664,699,033,311,976
  5. Step 5: Solve for x
    x = 47,664,699,033,311,976/249,784,143.38
  6. Step 6: Final answer
    x = 190,823,558.25

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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.