Home / 91,920,054.64-137,844,208.92-40,120,500.40

Finding the Fourth Proportional to 91,920,054.64, 137,844,208.92 and 40,120,500.40

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Solution

The fourth proportional to 91,920,054.64, 137,844,208.92 and 40,120,500.40 is: 60,165,093.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,920,054.64 : 137,844,208.92 = 40,120,500.40 : x
  2. Step 2: Convert to fraction form
    91,920,054.64/137,844,208.92 = 40,120,500.40/x
  3. Step 3: Cross multiply
    91,920,054.64x = 137,844,208.92 × 40,120,500.40
  4. Step 4: Simplify right side
    91,920,054.64x = 5,530,378,639,112,543
  5. Step 5: Solve for x
    x = 5,530,378,639,112,543/91,920,054.64
  6. Step 6: Final answer
    x = 60,165,093.03

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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.