Home / 55,662,188.77-76,811,218.05-30,882,111.88

Finding the Fourth Proportional to 55,662,188.77, 76,811,218.05 and 30,882,111.88

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Solution

The fourth proportional to 55,662,188.77, 76,811,218.05 and 30,882,111.88 is: 42,615,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662,188.77 : 76,811,218.05 = 30,882,111.88 : x
  2. Step 2: Convert to fraction form
    55,662,188.77/76,811,218.05 = 30,882,111.88/x
  3. Step 3: Cross multiply
    55,662,188.77x = 76,811,218.05 × 30,882,111.88
  4. Step 4: Simplify right side
    55,662,188.77x = 2,372,092,629,459,175.50
  5. Step 5: Solve for x
    x = 2,372,092,629,459,175.50/55,662,188.77
  6. Step 6: Final answer
    x = 42,615,870.52

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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.