Home / 131,280,022.40-196,920,033.60-45,006,857.60

Finding the Fourth Proportional to 131,280,022.40, 196,920,033.60 and 45,006,857.60

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Solution

The fourth proportional to 131,280,022.40, 196,920,033.60 and 45,006,857.60 is: 67,510,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,280,022.40 : 196,920,033.60 = 45,006,857.60 : x
  2. Step 2: Convert to fraction form
    131,280,022.40/196,920,033.60 = 45,006,857.60/x
  3. Step 3: Cross multiply
    131,280,022.40x = 196,920,033.60 × 45,006,857.60
  4. Step 4: Simplify right side
    131,280,022.40x = 8,862,751,910,822,415
  5. Step 5: Solve for x
    x = 8,862,751,910,822,415/131,280,022.40
  6. Step 6: Final answer
    x = 67,510,286.40

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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.