Home / 249,839,489.72-344,789,270.31-138,330,332.93

Finding the Fourth Proportional to 249,839,489.72, 344,789,270.31 and 138,330,332.93

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Solution

The fourth proportional to 249,839,489.72, 344,789,270.31 and 138,330,332.93 is: 190,901,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,839,489.72 : 344,789,270.31 = 138,330,332.93 : x
  2. Step 2: Convert to fraction form
    249,839,489.72/344,789,270.31 = 138,330,332.93/x
  3. Step 3: Cross multiply
    249,839,489.72x = 344,789,270.31 × 138,330,332.93
  4. Step 4: Simplify right side
    249,839,489.72x = 47,694,814,550,950,120
  5. Step 5: Solve for x
    x = 47,694,814,550,950,120/249,839,489.72
  6. Step 6: Final answer
    x = 190,901,825.03

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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.