Home / 60,979,064.70-91,449,321.57-20,031,776.22

Finding the Fourth Proportional to 60,979,064.70, 91,449,321.57 and 20,031,776.22

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Solution

The fourth proportional to 60,979,064.70, 91,449,321.57 and 20,031,776.22 is: 30,041,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,979,064.70 : 91,449,321.57 = 20,031,776.22 : x
  2. Step 2: Convert to fraction form
    60,979,064.70/91,449,321.57 = 20,031,776.22/x
  3. Step 3: Cross multiply
    60,979,064.70x = 91,449,321.57 × 20,031,776.22
  4. Step 4: Simplify right side
    60,979,064.70x = 1,831,892,345,161,058.75
  5. Step 5: Solve for x
    x = 1,831,892,345,161,058.75/60,979,064.70
  6. Step 6: Final answer
    x = 30,041,332.29

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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.