Home / 120,797,798,551.24-166,772,384,017.98-107,394,691,981.36

Finding the Fourth Proportional to 120,797,798,551.24, 166,772,384,017.98 and 107,394,691,981.36

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Solution

The fourth proportional to 120,797,798,551.24, 166,772,384,017.98 and 107,394,691,981.36 is: 148,268,172,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,797,798,551.24 : 166,772,384,017.98 = 107,394,691,981.36 : x
  2. Step 2: Convert to fraction form
    120,797,798,551.24/166,772,384,017.98 = 107,394,691,981.36/x
  3. Step 3: Cross multiply
    120,797,798,551.24x = 166,772,384,017.98 × 107,394,691,981.36
  4. Step 4: Simplify right side
    120,797,798,551.24x = 17,910,468,812,608,047,677,440
  5. Step 5: Solve for x
    x = 17,910,468,812,608,047,677,440/120,797,798,551.24
  6. Step 6: Final answer
    x = 148,268,172,329.41

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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.