Home / 311,282,479.17-429,578,956.71-170,161,498.44

Finding the Fourth Proportional to 311,282,479.17, 429,578,956.71 and 170,161,498.44

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Solution

The fourth proportional to 311,282,479.17, 429,578,956.71 and 170,161,498.44 is: 234,827,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,282,479.17 : 429,578,956.71 = 170,161,498.44 : x
  2. Step 2: Convert to fraction form
    311,282,479.17/429,578,956.71 = 170,161,498.44/x
  3. Step 3: Cross multiply
    311,282,479.17x = 429,578,956.71 × 170,161,498.44
  4. Step 4: Simplify right side
    311,282,479.17x = 73,097,798,972,065,488
  5. Step 5: Solve for x
    x = 73,097,798,972,065,488/311,282,479.17
  6. Step 6: Final answer
    x = 234,827,861.71

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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.