Home / 213,144,057.51-319,727,377.35-65,692,892.93

Finding the Fourth Proportional to 213,144,057.51, 319,727,377.35 and 65,692,892.93

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Solution

The fourth proportional to 213,144,057.51, 319,727,377.35 and 65,692,892.93 is: 98,542,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,144,057.51 : 319,727,377.35 = 65,692,892.93 : x
  2. Step 2: Convert to fraction form
    213,144,057.51/319,727,377.35 = 65,692,892.93/x
  3. Step 3: Cross multiply
    213,144,057.51x = 319,727,377.35 × 65,692,892.93
  4. Step 4: Simplify right side
    213,144,057.51x = 21,003,816,367,043,260
  5. Step 5: Solve for x
    x = 21,003,816,367,043,260/213,144,057.51
  6. Step 6: Final answer
    x = 98,542,819.41

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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.