Home / 220,556,675.36-304,365,711.48-121,435,398.56

Finding the Fourth Proportional to 220,556,675.36, 304,365,711.48 and 121,435,398.56

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Solution

The fourth proportional to 220,556,675.36, 304,365,711.48 and 121,435,398.56 is: 167,579,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,556,675.36 : 304,365,711.48 = 121,435,398.56 : x
  2. Step 2: Convert to fraction form
    220,556,675.36/304,365,711.48 = 121,435,398.56/x
  3. Step 3: Cross multiply
    220,556,675.36x = 304,365,711.48 × 121,435,398.56
  4. Step 4: Simplify right side
    220,556,675.36x = 36,960,771,481,571,768
  5. Step 5: Solve for x
    x = 36,960,771,481,571,768/220,556,675.36
  6. Step 6: Final answer
    x = 167,579,473.26

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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.