Home / 51,694,997.72-71,349,682.92-30,799,271.30

Finding the Fourth Proportional to 51,694,997.72, 71,349,682.92 and 30,799,271.30

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Solution

The fourth proportional to 51,694,997.72, 71,349,682.92 and 30,799,271.30 is: 42,509,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,694,997.72 : 71,349,682.92 = 30,799,271.30 : x
  2. Step 2: Convert to fraction form
    51,694,997.72/71,349,682.92 = 30,799,271.30/x
  3. Step 3: Cross multiply
    51,694,997.72x = 71,349,682.92 × 30,799,271.30
  4. Step 4: Simplify right side
    51,694,997.72x = 2,197,518,241,422,056.25
  5. Step 5: Solve for x
    x = 2,197,518,241,422,056.25/51,694,997.72
  6. Step 6: Final answer
    x = 42,509,301.45

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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.