Home / 135,061,830.56-186,385,490.88-73,182,120.32

Finding the Fourth Proportional to 135,061,830.56, 186,385,490.88 and 73,182,120.32

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Solution

The fourth proportional to 135,061,830.56, 186,385,490.88 and 73,182,120.32 is: 100,991,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,061,830.56 : 186,385,490.88 = 73,182,120.32 : x
  2. Step 2: Convert to fraction form
    135,061,830.56/186,385,490.88 = 73,182,120.32/x
  3. Step 3: Cross multiply
    135,061,830.56x = 186,385,490.88 × 73,182,120.32
  4. Step 4: Simplify right side
    135,061,830.56x = 13,640,085,419,482,420
  5. Step 5: Solve for x
    x = 13,640,085,419,482,420/135,061,830.56
  6. Step 6: Final answer
    x = 100,991,415.29

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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.