Home / 228,889,903.32-315,876,372.84-131,123,655

Finding the Fourth Proportional to 228,889,903.32, 315,876,372.84 and 131,123,655

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Solution

The fourth proportional to 228,889,903.32, 315,876,372.84 and 131,123,655 is: 180,955,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,889,903.32 : 315,876,372.84 = 131,123,655 : x
  2. Step 2: Convert to fraction form
    228,889,903.32/315,876,372.84 = 131,123,655/x
  3. Step 3: Cross multiply
    228,889,903.32x = 315,876,372.84 × 131,123,655
  4. Step 4: Simplify right side
    228,889,903.32x = 41,418,864,534,923,528
  5. Step 5: Solve for x
    x = 41,418,864,534,923,528/228,889,903.32
  6. Step 6: Final answer
    x = 180,955,402.29

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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.