Home / 55,662,187.77-76,811,216.67-30,882,110.88

Finding the Fourth Proportional to 55,662,187.77, 76,811,216.67 and 30,882,110.88

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Solution

The fourth proportional to 55,662,187.77, 76,811,216.67 and 30,882,110.88 is: 42,615,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662,187.77 : 76,811,216.67 = 30,882,110.88 : x
  2. Step 2: Convert to fraction form
    55,662,187.77/76,811,216.67 = 30,882,110.88/x
  3. Step 3: Cross multiply
    55,662,187.77x = 76,811,216.67 × 30,882,110.88
  4. Step 4: Simplify right side
    55,662,187.77x = 2,372,092,510,030,644.50
  5. Step 5: Solve for x
    x = 2,372,092,510,030,644.50/55,662,187.77
  6. Step 6: Final answer
    x = 42,615,869.14

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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.