Home / 202,912,257-304,304,449.50-66,565,868.52

Finding the Fourth Proportional to 202,912,257, 304,304,449.50 and 66,565,868.52

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Solution

The fourth proportional to 202,912,257, 304,304,449.50 and 66,565,868.52 is: 99,827,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,912,257 : 304,304,449.50 = 66,565,868.52 : x
  2. Step 2: Convert to fraction form
    202,912,257/304,304,449.50 = 66,565,868.52/x
  3. Step 3: Cross multiply
    202,912,257x = 304,304,449.50 × 66,565,868.52
  4. Step 4: Simplify right side
    202,912,257x = 20,256,289,975,467,980
  5. Step 5: Solve for x
    x = 20,256,289,975,467,980/202,912,257
  6. Step 6: Final answer
    x = 99,827,828.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.