Home / 249,123,808.40-343,784,194.80-137,612,249.24

Finding the Fourth Proportional to 249,123,808.40, 343,784,194.80 and 137,612,249.24

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Solution

The fourth proportional to 249,123,808.40, 343,784,194.80 and 137,612,249.24 is: 189,901,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,123,808.40 : 343,784,194.80 = 137,612,249.24 : x
  2. Step 2: Convert to fraction form
    249,123,808.40/343,784,194.80 = 137,612,249.24/x
  3. Step 3: Cross multiply
    249,123,808.40x = 343,784,194.80 × 137,612,249.24
  4. Step 4: Simplify right side
    249,123,808.40x = 47,308,916,299,590,320
  5. Step 5: Solve for x
    x = 47,308,916,299,590,320/249,123,808.40
  6. Step 6: Final answer
    x = 189,901,224.63

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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.