Home / 77,691,339.73-107,214,059.33-42,884,036.74

Finding the Fourth Proportional to 77,691,339.73, 107,214,059.33 and 42,884,036.74

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Solution

The fourth proportional to 77,691,339.73, 107,214,059.33 and 42,884,036.74 is: 59,179,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,691,339.73 : 107,214,059.33 = 42,884,036.74 : x
  2. Step 2: Convert to fraction form
    77,691,339.73/107,214,059.33 = 42,884,036.74/x
  3. Step 3: Cross multiply
    77,691,339.73x = 107,214,059.33 × 42,884,036.74
  4. Step 4: Simplify right side
    77,691,339.73x = 4,597,771,659,137,840
  5. Step 5: Solve for x
    x = 4,597,771,659,137,840/77,691,339.73
  6. Step 6: Final answer
    x = 59,179,976.50

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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.