Home / 118,741,542.98-163,863,219.38-66,530,952.05

Finding the Fourth Proportional to 118,741,542.98, 163,863,219.38 and 66,530,952.05

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Solution

The fourth proportional to 118,741,542.98, 163,863,219.38 and 66,530,952.05 is: 91,812,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,741,542.98 : 163,863,219.38 = 66,530,952.05 : x
  2. Step 2: Convert to fraction form
    118,741,542.98/163,863,219.38 = 66,530,952.05/x
  3. Step 3: Cross multiply
    118,741,542.98x = 163,863,219.38 × 66,530,952.05
  4. Step 4: Simplify right side
    118,741,542.98x = 10,901,975,990,177,440
  5. Step 5: Solve for x
    x = 10,901,975,990,177,440/118,741,542.98
  6. Step 6: Final answer
    x = 91,812,652.23

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Why These Related Problems?

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