Home / 213,073,200.66-319,606,014.96-67,502,978.58

Finding the Fourth Proportional to 213,073,200.66, 319,606,014.96 and 67,502,978.58

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Solution

The fourth proportional to 213,073,200.66, 319,606,014.96 and 67,502,978.58 is: 101,253,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,073,200.66 : 319,606,014.96 = 67,502,978.58 : x
  2. Step 2: Convert to fraction form
    213,073,200.66/319,606,014.96 = 67,502,978.58/x
  3. Step 3: Cross multiply
    213,073,200.66x = 319,606,014.96 × 67,502,978.58
  4. Step 4: Simplify right side
    213,073,200.66x = 21,574,357,981,884,036
  5. Step 5: Solve for x
    x = 21,574,357,981,884,036/213,073,200.66
  6. Step 6: Final answer
    x = 101,253,268.43

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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.