Home / 77,966,290,900.65-107,594,113,178.31-43,204,691,984.17

Finding the Fourth Proportional to 77,966,290,900.65, 107,594,113,178.31 and 43,204,691,984.17

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Solution

The fourth proportional to 77,966,290,900.65, 107,594,113,178.31 and 43,204,691,984.17 is: 59,622,825,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,966,290,900.65 : 107,594,113,178.31 = 43,204,691,984.17 : x
  2. Step 2: Convert to fraction form
    77,966,290,900.65/107,594,113,178.31 = 43,204,691,984.17/x
  3. Step 3: Cross multiply
    77,966,290,900.65x = 107,594,113,178.31 × 43,204,691,984.17
  4. Step 4: Simplify right side
    77,966,290,900.65x = 4,648,570,519,178,809,704,448
  5. Step 5: Solve for x
    x = 4,648,570,519,178,809,704,448/77,966,290,900.65
  6. Step 6: Final answer
    x = 59,622,825,011.68

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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.