Home / 132,864,046.40-199,296,069.60-105,990,190.40

Finding the Fourth Proportional to 132,864,046.40, 199,296,069.60 and 105,990,190.40

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Solution

The fourth proportional to 132,864,046.40, 199,296,069.60 and 105,990,190.40 is: 158,985,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,864,046.40 : 199,296,069.60 = 105,990,190.40 : x
  2. Step 2: Convert to fraction form
    132,864,046.40/199,296,069.60 = 105,990,190.40/x
  3. Step 3: Cross multiply
    132,864,046.40x = 199,296,069.60 × 105,990,190.40
  4. Step 4: Simplify right side
    132,864,046.40x = 21,123,428,362,875,652
  5. Step 5: Solve for x
    x = 21,123,428,362,875,652/132,864,046.40
  6. Step 6: Final answer
    x = 158,985,285.60

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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.