Home / 225,692,947.29-311,490,311.13-137,638,024.44

Finding the Fourth Proportional to 225,692,947.29, 311,490,311.13 and 137,638,024.44

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Solution

The fourth proportional to 225,692,947.29, 311,490,311.13 and 137,638,024.44 is: 189,961,235.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,692,947.29 : 311,490,311.13 = 137,638,024.44 : x
  2. Step 2: Convert to fraction form
    225,692,947.29/311,490,311.13 = 137,638,024.44/x
  3. Step 3: Cross multiply
    225,692,947.29x = 311,490,311.13 × 137,638,024.44
  4. Step 4: Simplify right side
    225,692,947.29x = 42,872,911,056,134,144
  5. Step 5: Solve for x
    x = 42,872,911,056,134,144/225,692,947.29
  6. Step 6: Final answer
    x = 189,961,235.26

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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.