Home / 76,026,879.78-104,919,306.90-42,986,419.16

Finding the Fourth Proportional to 76,026,879.78, 104,919,306.90 and 42,986,419.16

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Solution

The fourth proportional to 76,026,879.78, 104,919,306.90 and 42,986,419.16 is: 59,322,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,026,879.78 : 104,919,306.90 = 42,986,419.16 : x
  2. Step 2: Convert to fraction form
    76,026,879.78/104,919,306.90 = 42,986,419.16/x
  3. Step 3: Cross multiply
    76,026,879.78x = 104,919,306.90 × 42,986,419.16
  4. Step 4: Simplify right side
    76,026,879.78x = 4,510,105,304,380,080
  5. Step 5: Solve for x
    x = 4,510,105,304,380,080/76,026,879.78
  6. Step 6: Final answer
    x = 59,322,509.58

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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.