Home / 228,889,905.82-315,876,376.29-131,123,657.50

Finding the Fourth Proportional to 228,889,905.82, 315,876,376.29 and 131,123,657.50

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Solution

The fourth proportional to 228,889,905.82, 315,876,376.29 and 131,123,657.50 is: 180,955,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,889,905.82 : 315,876,376.29 = 131,123,657.50 : x
  2. Step 2: Convert to fraction form
    228,889,905.82/315,876,376.29 = 131,123,657.50/x
  3. Step 3: Cross multiply
    228,889,905.82x = 315,876,376.29 × 131,123,657.50
  4. Step 4: Simplify right side
    228,889,905.82x = 41,418,865,776,991,080
  5. Step 5: Solve for x
    x = 41,418,865,776,991,080/228,889,905.82
  6. Step 6: Final answer
    x = 180,955,405.74

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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.