Home / 56,165,085.40-84,247,628.10-45,961,418.20

Finding the Fourth Proportional to 56,165,085.40, 84,247,628.10 and 45,961,418.20

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Solution

The fourth proportional to 56,165,085.40, 84,247,628.10 and 45,961,418.20 is: 68,942,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165,085.40 : 84,247,628.10 = 45,961,418.20 : x
  2. Step 2: Convert to fraction form
    56,165,085.40/84,247,628.10 = 45,961,418.20/x
  3. Step 3: Cross multiply
    56,165,085.40x = 84,247,628.10 × 45,961,418.20
  4. Step 4: Simplify right side
    56,165,085.40x = 3,872,140,467,462,171.50
  5. Step 5: Solve for x
    x = 3,872,140,467,462,171.50/56,165,085.40
  6. Step 6: Final answer
    x = 68,942,127.30

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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.