Home / 114,961,399.68-158,623,048.86-66,059,379.84

Finding the Fourth Proportional to 114,961,399.68, 158,623,048.86 and 66,059,379.84

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Solution

The fourth proportional to 114,961,399.68, 158,623,048.86 and 66,059,379.84 is: 91,148,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,961,399.68 : 158,623,048.86 = 66,059,379.84 : x
  2. Step 2: Convert to fraction form
    114,961,399.68/158,623,048.86 = 66,059,379.84/x
  3. Step 3: Cross multiply
    114,961,399.68x = 158,623,048.86 × 66,059,379.84
  4. Step 4: Simplify right side
    114,961,399.68x = 10,478,540,236,021,620
  5. Step 5: Solve for x
    x = 10,478,540,236,021,620/114,961,399.68
  6. Step 6: Final answer
    x = 91,148,335.57

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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.