Home / 130,691,081.80-196,036,622.70-54,163,577.80

Finding the Fourth Proportional to 130,691,081.80, 196,036,622.70 and 54,163,577.80

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Solution

The fourth proportional to 130,691,081.80, 196,036,622.70 and 54,163,577.80 is: 81,245,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,691,081.80 : 196,036,622.70 = 54,163,577.80 : x
  2. Step 2: Convert to fraction form
    130,691,081.80/196,036,622.70 = 54,163,577.80/x
  3. Step 3: Cross multiply
    130,691,081.80x = 196,036,622.70 × 54,163,577.80
  4. Step 4: Simplify right side
    130,691,081.80x = 10,618,044,865,260,694
  5. Step 5: Solve for x
    x = 10,618,044,865,260,694/130,691,081.80
  6. Step 6: Final answer
    x = 81,245,366.70

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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.