Home / 309,176,320.68-426,658,540.59-169,944,090.66

Finding the Fourth Proportional to 309,176,320.68, 426,658,540.59 and 169,944,090.66

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Solution

The fourth proportional to 309,176,320.68, 426,658,540.59 and 169,944,090.66 is: 234,520,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,176,320.68 : 426,658,540.59 = 169,944,090.66 : x
  2. Step 2: Convert to fraction form
    309,176,320.68/426,658,540.59 = 169,944,090.66/x
  3. Step 3: Cross multiply
    309,176,320.68x = 426,658,540.59 × 169,944,090.66
  4. Step 4: Simplify right side
    309,176,320.68x = 72,508,097,702,890,240
  5. Step 5: Solve for x
    x = 72,508,097,702,890,240/309,176,320.68
  6. Step 6: Final answer
    x = 234,520,216.63

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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.