Home / 235,008,001.80-352,512,002.70-208,805,992.20

Finding the Fourth Proportional to 235,008,001.80, 352,512,002.70 and 208,805,992.20

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Solution

The fourth proportional to 235,008,001.80, 352,512,002.70 and 208,805,992.20 is: 313,208,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,008,001.80 : 352,512,002.70 = 208,805,992.20 : x
  2. Step 2: Convert to fraction form
    235,008,001.80/352,512,002.70 = 208,805,992.20/x
  3. Step 3: Cross multiply
    235,008,001.80x = 352,512,002.70 × 208,805,992.20
  4. Step 4: Simplify right side
    235,008,001.80x = 73,606,618,486,182,576
  5. Step 5: Solve for x
    x = 73,606,618,486,182,576/235,008,001.80
  6. Step 6: Final answer
    x = 313,208,988.30

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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.