Home / 69,226,501.20-95,561,986.80-43,133,910.72

Finding the Fourth Proportional to 69,226,501.20, 95,561,986.80 and 43,133,910.72

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Solution

The fourth proportional to 69,226,501.20, 95,561,986.80 and 43,133,910.72 is: 59,543,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,226,501.20 : 95,561,986.80 = 43,133,910.72 : x
  2. Step 2: Convert to fraction form
    69,226,501.20/95,561,986.80 = 43,133,910.72/x
  3. Step 3: Cross multiply
    69,226,501.20x = 95,561,986.80 × 43,133,910.72
  4. Step 4: Simplify right side
    69,226,501.20x = 4,121,962,206,857,018.50
  5. Step 5: Solve for x
    x = 4,121,962,206,857,018.50/69,226,501.20
  6. Step 6: Final answer
    x = 59,543,124.89

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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.