Home / 213,036,164.10-319,554,246.15-76,703,832.90

Finding the Fourth Proportional to 213,036,164.10, 319,554,246.15 and 76,703,832.90

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Solution

The fourth proportional to 213,036,164.10, 319,554,246.15 and 76,703,832.90 is: 115,055,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,036,164.10 : 319,554,246.15 = 76,703,832.90 : x
  2. Step 2: Convert to fraction form
    213,036,164.10/319,554,246.15 = 76,703,832.90/x
  3. Step 3: Cross multiply
    213,036,164.10x = 319,554,246.15 × 76,703,832.90
  4. Step 4: Simplify right side
    213,036,164.10x = 24,511,035,499,175,068
  5. Step 5: Solve for x
    x = 24,511,035,499,175,068/213,036,164.10
  6. Step 6: Final answer
    x = 115,055,749.35

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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.