Home / 76,218,668.64-114,270,149.52-39,290,765.40

Finding the Fourth Proportional to 76,218,668.64, 114,270,149.52 and 39,290,765.40

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Solution

The fourth proportional to 76,218,668.64, 114,270,149.52 and 39,290,765.40 is: 58,906,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,218,668.64 : 114,270,149.52 = 39,290,765.40 : x
  2. Step 2: Convert to fraction form
    76,218,668.64/114,270,149.52 = 39,290,765.40/x
  3. Step 3: Cross multiply
    76,218,668.64x = 114,270,149.52 × 39,290,765.40
  4. Step 4: Simplify right side
    76,218,668.64x = 4,489,761,637,013,242.50
  5. Step 5: Solve for x
    x = 4,489,761,637,013,242.50/76,218,668.64
  6. Step 6: Final answer
    x = 58,906,324.62

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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.