Home / 131,787,676.19-181,863,051.64-72,246,935.96

Finding the Fourth Proportional to 131,787,676.19, 181,863,051.64 and 72,246,935.96

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Solution

The fourth proportional to 131,787,676.19, 181,863,051.64 and 72,246,935.96 is: 99,698,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,787,676.19 : 181,863,051.64 = 72,246,935.96 : x
  2. Step 2: Convert to fraction form
    131,787,676.19/181,863,051.64 = 72,246,935.96/x
  3. Step 3: Cross multiply
    131,787,676.19x = 181,863,051.64 × 72,246,935.96
  4. Step 4: Simplify right side
    131,787,676.19x = 13,139,048,245,810,322
  5. Step 5: Solve for x
    x = 13,139,048,245,810,322/131,787,676.19
  6. Step 6: Final answer
    x = 99,698,610.87

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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.