Home / 249,491,945.07-344,284,961.69-136,439,127.48

Finding the Fourth Proportional to 249,491,945.07, 344,284,961.69 and 136,439,127.48

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Solution

The fourth proportional to 249,491,945.07, 344,284,961.69 and 136,439,127.48 is: 188,278,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,491,945.07 : 344,284,961.69 = 136,439,127.48 : x
  2. Step 2: Convert to fraction form
    249,491,945.07/344,284,961.69 = 136,439,127.48/x
  3. Step 3: Cross multiply
    249,491,945.07x = 344,284,961.69 × 136,439,127.48
  4. Step 4: Simplify right side
    249,491,945.07x = 46,973,939,776,786,624
  5. Step 5: Solve for x
    x = 46,973,939,776,786,624/249,491,945.07
  6. Step 6: Final answer
    x = 188,278,382.15

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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.