Home / 77,215,817.08-115,837,964.66-25,403,335.80

Finding the Fourth Proportional to 77,215,817.08, 115,837,964.66 and 25,403,335.80

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Solution

The fourth proportional to 77,215,817.08, 115,837,964.66 and 25,403,335.80 is: 38,109,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,215,817.08 : 115,837,964.66 = 25,403,335.80 : x
  2. Step 2: Convert to fraction form
    77,215,817.08/115,837,964.66 = 25,403,335.80/x
  3. Step 3: Cross multiply
    77,215,817.08x = 115,837,964.66 × 25,403,335.80
  4. Step 4: Simplify right side
    77,215,817.08x = 2,942,670,714,646,513
  5. Step 5: Solve for x
    x = 2,942,670,714,646,513/77,215,817.08
  6. Step 6: Final answer
    x = 38,109,688.22

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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.