Home / 124,992,190.80-187,488,286.20-112,269,099.60

Finding the Fourth Proportional to 124,992,190.80, 187,488,286.20 and 112,269,099.60

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Solution

The fourth proportional to 124,992,190.80, 187,488,286.20 and 112,269,099.60 is: 168,403,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992,190.80 : 187,488,286.20 = 112,269,099.60 : x
  2. Step 2: Convert to fraction form
    124,992,190.80/187,488,286.20 = 112,269,099.60/x
  3. Step 3: Cross multiply
    124,992,190.80x = 187,488,286.20 × 112,269,099.60
  4. Step 4: Simplify right side
    124,992,190.80x = 21,049,141,077,221,104
  5. Step 5: Solve for x
    x = 21,049,141,077,221,104/124,992,190.80
  6. Step 6: Final answer
    x = 168,403,649.40

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1.5x scale

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.