Home / 87,179,633.40-130,769,450.10-73,574,743.80

Finding the Fourth Proportional to 87,179,633.40, 130,769,450.10 and 73,574,743.80

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Solution

The fourth proportional to 87,179,633.40, 130,769,450.10 and 73,574,743.80 is: 110,362,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,179,633.40 : 130,769,450.10 = 73,574,743.80 : x
  2. Step 2: Convert to fraction form
    87,179,633.40/130,769,450.10 = 73,574,743.80/x
  3. Step 3: Cross multiply
    87,179,633.40x = 130,769,450.10 × 73,574,743.80
  4. Step 4: Simplify right side
    87,179,633.40x = 9,621,328,787,974,384
  5. Step 5: Solve for x
    x = 9,621,328,787,974,384/87,179,633.40
  6. Step 6: Final answer
    x = 110,362,115.70

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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.