Home / 81,400,434.26-122,119,537.50-26,811,060.77

Finding the Fourth Proportional to 81,400,434.26, 122,119,537.50 and 26,811,060.77

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Solution

The fourth proportional to 81,400,434.26, 122,119,537.50 and 26,811,060.77 is: 40,222,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,400,434.26 : 122,119,537.50 = 26,811,060.77 : x
  2. Step 2: Convert to fraction form
    81,400,434.26/122,119,537.50 = 26,811,060.77/x
  3. Step 3: Cross multiply
    81,400,434.26x = 122,119,537.50 × 26,811,060.77
  4. Step 4: Simplify right side
    81,400,434.26x = 3,274,154,341,116,794
  5. Step 5: Solve for x
    x = 3,274,154,341,116,794/81,400,434.26
  6. Step 6: Final answer
    x = 40,222,811.72

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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.