Home / 217,451,814.17-300,087,115.39-118,336,739.07

Finding the Fourth Proportional to 217,451,814.17, 300,087,115.39 and 118,336,739.07

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Solution

The fourth proportional to 217,451,814.17, 300,087,115.39 and 118,336,739.07 is: 163,306,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,451,814.17 : 300,087,115.39 = 118,336,739.07 : x
  2. Step 2: Convert to fraction form
    217,451,814.17/300,087,115.39 = 118,336,739.07/x
  3. Step 3: Cross multiply
    217,451,814.17x = 300,087,115.39 × 118,336,739.07
  4. Step 4: Simplify right side
    217,451,814.17x = 35,511,330,672,440,924
  5. Step 5: Solve for x
    x = 35,511,330,672,440,924/217,451,814.17
  6. Step 6: Final answer
    x = 163,306,665.47

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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.