Home / 228,889,642.96-315,876,013.80-131,123,394.64

Finding the Fourth Proportional to 228,889,642.96, 315,876,013.80 and 131,123,394.64

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Solution

The fourth proportional to 228,889,642.96, 315,876,013.80 and 131,123,394.64 is: 180,955,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,889,642.96 : 315,876,013.80 = 131,123,394.64 : x
  2. Step 2: Convert to fraction form
    228,889,642.96/315,876,013.80 = 131,123,394.64/x
  3. Step 3: Cross multiply
    228,889,642.96x = 315,876,013.80 × 131,123,394.64
  4. Step 4: Simplify right side
    228,889,642.96x = 41,418,735,214,807,488
  5. Step 5: Solve for x
    x = 41,418,735,214,807,488/228,889,642.96
  6. Step 6: Final answer
    x = 180,955,043.13

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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.