Home / 247,621,415.40-371,432,123.10-243,795,040.20

Finding the Fourth Proportional to 247,621,415.40, 371,432,123.10 and 243,795,040.20

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Solution

The fourth proportional to 247,621,415.40, 371,432,123.10 and 243,795,040.20 is: 365,692,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,621,415.40 : 371,432,123.10 = 243,795,040.20 : x
  2. Step 2: Convert to fraction form
    247,621,415.40/371,432,123.10 = 243,795,040.20/x
  3. Step 3: Cross multiply
    247,621,415.40x = 371,432,123.10 × 243,795,040.20
  4. Step 4: Simplify right side
    247,621,415.40x = 90,553,309,382,735,856
  5. Step 5: Solve for x
    x = 90,553,309,382,735,856/247,621,415.40
  6. Step 6: Final answer
    x = 365,692,560.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.