Home / 131,589,628.85-181,593,021.75-72,049,843.16

Finding the Fourth Proportional to 131,589,628.85, 181,593,021.75 and 72,049,843.16

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Solution

The fourth proportional to 131,589,628.85, 181,593,021.75 and 72,049,843.16 is: 99,428,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,589,628.85 : 181,593,021.75 = 72,049,843.16 : x
  2. Step 2: Convert to fraction form
    131,589,628.85/181,593,021.75 = 72,049,843.16/x
  3. Step 3: Cross multiply
    131,589,628.85x = 181,593,021.75 × 72,049,843.16
  4. Step 4: Simplify right side
    131,589,628.85x = 13,083,748,735,130,004
  5. Step 5: Solve for x
    x = 13,083,748,735,130,004/131,589,628.85
  6. Step 6: Final answer
    x = 99,428,418.87

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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.