Home / 71,886,653.37-99,192,496.19-40,942,877.85

Finding the Fourth Proportional to 71,886,653.37, 99,192,496.19 and 40,942,877.85

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Solution

The fourth proportional to 71,886,653.37, 99,192,496.19 and 40,942,877.85 is: 56,494,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,886,653.37 : 99,192,496.19 = 40,942,877.85 : x
  2. Step 2: Convert to fraction form
    71,886,653.37/99,192,496.19 = 40,942,877.85/x
  3. Step 3: Cross multiply
    71,886,653.37x = 99,192,496.19 × 40,942,877.85
  4. Step 4: Simplify right side
    71,886,653.37x = 4,061,226,254,939,046
  5. Step 5: Solve for x
    x = 4,061,226,254,939,046/71,886,653.37
  6. Step 6: Final answer
    x = 56,494,857.73

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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.