Home / 239,167,353.69-330,050,952.23-129,159,066.69

Finding the Fourth Proportional to 239,167,353.69, 330,050,952.23 and 129,159,066.69

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Solution

The fourth proportional to 239,167,353.69, 330,050,952.23 and 129,159,066.69 is: 178,239,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,167,353.69 : 330,050,952.23 = 129,159,066.69 : x
  2. Step 2: Convert to fraction form
    239,167,353.69/330,050,952.23 = 129,159,066.69/x
  3. Step 3: Cross multiply
    239,167,353.69x = 330,050,952.23 × 129,159,066.69
  4. Step 4: Simplify right side
    239,167,353.69x = 42,629,072,949,526,784
  5. Step 5: Solve for x
    x = 42,629,072,949,526,784/239,167,353.69
  6. Step 6: Final answer
    x = 178,239,514.26

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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.