Home / 132,881,237.40-199,321,856.10-74,529,015.60

Finding the Fourth Proportional to 132,881,237.40, 199,321,856.10 and 74,529,015.60

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Solution

The fourth proportional to 132,881,237.40, 199,321,856.10 and 74,529,015.60 is: 111,793,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,881,237.40 : 199,321,856.10 = 74,529,015.60 : x
  2. Step 2: Convert to fraction form
    132,881,237.40/199,321,856.10 = 74,529,015.60/x
  3. Step 3: Cross multiply
    132,881,237.40x = 199,321,856.10 × 74,529,015.60
  4. Step 4: Simplify right side
    132,881,237.40x = 14,855,261,722,697,854
  5. Step 5: Solve for x
    x = 14,855,261,722,697,854/132,881,237.40
  6. Step 6: Final answer
    x = 111,793,523.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.