Home / 249,839,591.86-344,789,411.16-138,330,434.80

Finding the Fourth Proportional to 249,839,591.86, 344,789,411.16 and 138,330,434.80

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Solution

The fourth proportional to 249,839,591.86, 344,789,411.16 and 138,330,434.80 is: 190,901,965.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,839,591.86 : 344,789,411.16 = 138,330,434.80 : x
  2. Step 2: Convert to fraction form
    249,839,591.86/344,789,411.16 = 138,330,434.80/x
  3. Step 3: Cross multiply
    249,839,591.86x = 344,789,411.16 × 138,330,434.80
  4. Step 4: Simplify right side
    249,839,591.86x = 47,694,869,160,198,784
  5. Step 5: Solve for x
    x = 47,694,869,160,198,784/249,839,591.86
  6. Step 6: Final answer
    x = 190,901,965.56

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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.