Home / 249,839,594.36-344,789,414.61-138,330,437.30

Finding the Fourth Proportional to 249,839,594.36, 344,789,414.61 and 138,330,437.30

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Solution

The fourth proportional to 249,839,594.36, 344,789,414.61 and 138,330,437.30 is: 190,901,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,839,594.36 : 344,789,414.61 = 138,330,437.30 : x
  2. Step 2: Convert to fraction form
    249,839,594.36/344,789,414.61 = 138,330,437.30/x
  3. Step 3: Cross multiply
    249,839,594.36x = 344,789,414.61 × 138,330,437.30
  4. Step 4: Simplify right side
    249,839,594.36x = 47,694,870,499,412,312
  5. Step 5: Solve for x
    x = 47,694,870,499,412,312/249,839,594.36
  6. Step 6: Final answer
    x = 190,901,969.01

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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.