Home / 136,805,555.68-188,804,169.44-74,934,800.80

Finding the Fourth Proportional to 136,805,555.68, 188,804,169.44 and 74,934,800.80

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Solution

The fourth proportional to 136,805,555.68, 188,804,169.44 and 74,934,800.80 is: 103,416,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,805,555.68 : 188,804,169.44 = 74,934,800.80 : x
  2. Step 2: Convert to fraction form
    136,805,555.68/188,804,169.44 = 74,934,800.80/x
  3. Step 3: Cross multiply
    136,805,555.68x = 188,804,169.44 × 74,934,800.80
  4. Step 4: Simplify right side
    136,805,555.68x = 14,148,002,827,195,846
  5. Step 5: Solve for x
    x = 14,148,002,827,195,846/136,805,555.68
  6. Step 6: Final answer
    x = 103,416,873.36

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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.