Home / 149,764,978.94-206,696,202.14-86,184,011.43

Finding the Fourth Proportional to 149,764,978.94, 206,696,202.14 and 86,184,011.43

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Solution

The fourth proportional to 149,764,978.94, 206,696,202.14 and 86,184,011.43 is: 118,945,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,764,978.94 : 206,696,202.14 = 86,184,011.43 : x
  2. Step 2: Convert to fraction form
    149,764,978.94/206,696,202.14 = 86,184,011.43/x
  3. Step 3: Cross multiply
    149,764,978.94x = 206,696,202.14 × 86,184,011.43
  4. Step 4: Simplify right side
    149,764,978.94x = 17,813,907,847,340,432
  5. Step 5: Solve for x
    x = 17,813,907,847,340,432/149,764,978.94
  6. Step 6: Final answer
    x = 118,945,750.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.