Home / 118,187,793.12-161,916,520.65-113,768,126.94

Finding the Fourth Proportional to 118,187,793.12, 161,916,520.65 and 113,768,126.94

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Solution

The fourth proportional to 118,187,793.12, 161,916,520.65 and 113,768,126.94 is: 155,861,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,187,793.12 : 161,916,520.65 = 113,768,126.94 : x
  2. Step 2: Convert to fraction form
    118,187,793.12/161,916,520.65 = 113,768,126.94/x
  3. Step 3: Cross multiply
    118,187,793.12x = 161,916,520.65 × 113,768,126.94
  4. Step 4: Simplify right side
    118,187,793.12x = 18,420,939,274,992,332
  5. Step 5: Solve for x
    x = 18,420,939,274,992,332/118,187,793.12
  6. Step 6: Final answer
    x = 155,861,606.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.