Home / 291,398,216.91-402,152,462.60-165,955,716.87

Finding the Fourth Proportional to 291,398,216.91, 402,152,462.60 and 165,955,716.87

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Solution

The fourth proportional to 291,398,216.91, 402,152,462.60 and 165,955,716.87 is: 229,031,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,398,216.91 : 402,152,462.60 = 165,955,716.87 : x
  2. Step 2: Convert to fraction form
    291,398,216.91/402,152,462.60 = 165,955,716.87/x
  3. Step 3: Cross multiply
    291,398,216.91x = 402,152,462.60 × 165,955,716.87
  4. Step 4: Simplify right side
    291,398,216.91x = 66,739,500,220,989,096
  5. Step 5: Solve for x
    x = 66,739,500,220,989,096/291,398,216.91
  6. Step 6: Final answer
    x = 229,031,944.43

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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.