Home / 76,703,632.34-115,055,449.47-18,411,310.19

Finding the Fourth Proportional to 76,703,632.34, 115,055,449.47 and 18,411,310.19

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Solution

The fourth proportional to 76,703,632.34, 115,055,449.47 and 18,411,310.19 is: 27,616,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,703,632.34 : 115,055,449.47 = 18,411,310.19 : x
  2. Step 2: Convert to fraction form
    76,703,632.34/115,055,449.47 = 18,411,310.19/x
  3. Step 3: Cross multiply
    76,703,632.34x = 115,055,449.47 × 18,411,310.19
  4. Step 4: Simplify right side
    76,703,632.34x = 2,118,321,568,574,707.25
  5. Step 5: Solve for x
    x = 2,118,321,568,574,707.25/76,703,632.34
  6. Step 6: Final answer
    x = 27,616,965.51

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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.