Home / 188,074,544.25-282,145,709.51-77,390,662.88

Finding the Fourth Proportional to 188,074,544.25, 282,145,709.51 and 77,390,662.88

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Solution

The fourth proportional to 188,074,544.25, 282,145,709.51 and 77,390,662.88 is: 116,099,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,074,544.25 : 282,145,709.51 = 77,390,662.88 : x
  2. Step 2: Convert to fraction form
    188,074,544.25/282,145,709.51 = 77,390,662.88/x
  3. Step 3: Cross multiply
    188,074,544.25x = 282,145,709.51 × 77,390,662.88
  4. Step 4: Simplify right side
    188,074,544.25x = 21,835,443,488,771,152
  5. Step 5: Solve for x
    x = 21,835,443,488,771,152/188,074,544.25
  6. Step 6: Final answer
    x = 116,099,940.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.