Home / 249,784,144.38-344,704,846.45-138,276,847.75

Finding the Fourth Proportional to 249,784,144.38, 344,704,846.45 and 138,276,847.75

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Solution

The fourth proportional to 249,784,144.38, 344,704,846.45 and 138,276,847.75 is: 190,823,559.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,784,144.38 : 344,704,846.45 = 138,276,847.75 : x
  2. Step 2: Convert to fraction form
    249,784,144.38/344,704,846.45 = 138,276,847.75/x
  3. Step 3: Cross multiply
    249,784,144.38x = 344,704,846.45 × 138,276,847.75
  4. Step 4: Simplify right side
    249,784,144.38x = 47,664,699,571,253,776
  5. Step 5: Solve for x
    x = 47,664,699,571,253,776/249,784,144.38
  6. Step 6: Final answer
    x = 190,823,559.64

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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.