Home / 55,662,182.51-76,811,209.44-30,882,105.63

Finding the Fourth Proportional to 55,662,182.51, 76,811,209.44 and 30,882,105.63

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Solution

The fourth proportional to 55,662,182.51, 76,811,209.44 and 30,882,105.63 is: 42,615,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662,182.51 : 76,811,209.44 = 30,882,105.63 : x
  2. Step 2: Convert to fraction form
    55,662,182.51/76,811,209.44 = 30,882,105.63/x
  3. Step 3: Cross multiply
    55,662,182.51x = 76,811,209.44 × 30,882,105.63
  4. Step 4: Simplify right side
    55,662,182.51x = 2,372,091,883,378,325
  5. Step 5: Solve for x
    x = 2,372,091,883,378,325/55,662,182.51
  6. Step 6: Final answer
    x = 42,615,861.91

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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.