Home / 291,398,216.72-402,152,462.34-165,955,716.68

Finding the Fourth Proportional to 291,398,216.72, 402,152,462.34 and 165,955,716.68

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Solution

The fourth proportional to 291,398,216.72, 402,152,462.34 and 165,955,716.68 is: 229,031,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,398,216.72 : 402,152,462.34 = 165,955,716.68 : x
  2. Step 2: Convert to fraction form
    291,398,216.72/402,152,462.34 = 165,955,716.68/x
  3. Step 3: Cross multiply
    291,398,216.72x = 402,152,462.34 × 165,955,716.68
  4. Step 4: Simplify right side
    291,398,216.72x = 66,739,500,102,644,464
  5. Step 5: Solve for x
    x = 66,739,500,102,644,464/291,398,216.72
  6. Step 6: Final answer
    x = 229,031,944.17

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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.