Home / 249,123,787.02-343,784,165.40-137,612,227.82

Finding the Fourth Proportional to 249,123,787.02, 343,784,165.40 and 137,612,227.82

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Solution

The fourth proportional to 249,123,787.02, 343,784,165.40 and 137,612,227.82 is: 189,901,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,123,787.02 : 343,784,165.40 = 137,612,227.82 : x
  2. Step 2: Convert to fraction form
    249,123,787.02/343,784,165.40 = 137,612,227.82/x
  3. Step 3: Cross multiply
    249,123,787.02x = 343,784,165.40 × 137,612,227.82
  4. Step 4: Simplify right side
    249,123,787.02x = 47,308,904,888,689,736
  5. Step 5: Solve for x
    x = 47,308,904,888,689,736/249,123,787.02
  6. Step 6: Final answer
    x = 189,901,195.13

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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.