Home / 194,971,987.23-269,090,220.27-123,451,516.50

Finding the Fourth Proportional to 194,971,987.23, 269,090,220.27 and 123,451,516.50

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Solution

The fourth proportional to 194,971,987.23, 269,090,220.27 and 123,451,516.50 is: 170,381,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971,987.23 : 269,090,220.27 = 123,451,516.50 : x
  2. Step 2: Convert to fraction form
    194,971,987.23/269,090,220.27 = 123,451,516.50/x
  3. Step 3: Cross multiply
    194,971,987.23x = 269,090,220.27 × 123,451,516.50
  4. Step 4: Simplify right side
    194,971,987.23x = 33,219,595,767,650,536
  5. Step 5: Solve for x
    x = 33,219,595,767,650,536/194,971,987.23
  6. Step 6: Final answer
    x = 170,381,377.55

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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.