Home / 55,126,132.68-76,074,063.22-30,685,620.36

Finding the Fourth Proportional to 55,126,132.68, 76,074,063.22 and 30,685,620.36

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Solution

The fourth proportional to 55,126,132.68, 76,074,063.22 and 30,685,620.36 is: 42,346,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126,132.68 : 76,074,063.22 = 30,685,620.36 : x
  2. Step 2: Convert to fraction form
    55,126,132.68/76,074,063.22 = 30,685,620.36/x
  3. Step 3: Cross multiply
    55,126,132.68x = 76,074,063.22 × 30,685,620.36
  4. Step 4: Simplify right side
    55,126,132.68x = 2,334,379,823,211,559
  5. Step 5: Solve for x
    x = 2,334,379,823,211,559/55,126,132.68
  6. Step 6: Final answer
    x = 42,346,156.16

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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.