Home / 77,966,290,901.40-107,594,113,179.35-43,204,691,984.92

Finding the Fourth Proportional to 77,966,290,901.40, 107,594,113,179.35 and 43,204,691,984.92

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Solution

The fourth proportional to 77,966,290,901.40, 107,594,113,179.35 and 43,204,691,984.92 is: 59,622,825,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,966,290,901.40 : 107,594,113,179.35 = 43,204,691,984.92 : x
  2. Step 2: Convert to fraction form
    77,966,290,901.40/107,594,113,179.35 = 43,204,691,984.92/x
  3. Step 3: Cross multiply
    77,966,290,901.40x = 107,594,113,179.35 × 43,204,691,984.92
  4. Step 4: Simplify right side
    77,966,290,901.40x = 4,648,570,519,304,438,546,432
  5. Step 5: Solve for x
    x = 4,648,570,519,304,438,546,432/77,966,290,901.40
  6. Step 6: Final answer
    x = 59,622,825,012.71

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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.