Home / 126,830,311.79-190,198,803.98-43,810,936.93

Finding the Fourth Proportional to 126,830,311.79, 190,198,803.98 and 43,810,936.93

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Solution

The fourth proportional to 126,830,311.79, 190,198,803.98 and 43,810,936.93 is: 65,700,286.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,830,311.79 : 190,198,803.98 = 43,810,936.93 : x
  2. Step 2: Convert to fraction form
    126,830,311.79/190,198,803.98 = 43,810,936.93/x
  3. Step 3: Cross multiply
    126,830,311.79x = 190,198,803.98 × 43,810,936.93
  4. Step 4: Simplify right side
    126,830,311.79x = 8,332,787,805,676,488
  5. Step 5: Solve for x
    x = 8,332,787,805,676,488/126,830,311.79
  6. Step 6: Final answer
    x = 65,700,286.38

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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.