Home / 313,131,770.50-432,096,643.01-180,981,326.39

Finding the Fourth Proportional to 313,131,770.50, 432,096,643.01 and 180,981,326.39

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Solution

The fourth proportional to 313,131,770.50, 432,096,643.01 and 180,981,326.39 is: 249,739,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,131,770.50 : 432,096,643.01 = 180,981,326.39 : x
  2. Step 2: Convert to fraction form
    313,131,770.50/432,096,643.01 = 180,981,326.39/x
  3. Step 3: Cross multiply
    313,131,770.50x = 432,096,643.01 × 180,981,326.39
  4. Step 4: Simplify right side
    313,131,770.50x = 78,201,423,579,101,552
  5. Step 5: Solve for x
    x = 78,201,423,579,101,552/313,131,770.50
  6. Step 6: Final answer
    x = 249,739,665.36

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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.