Home / 55,519,889.77-76,619,842.22-30,740,077.15

Finding the Fourth Proportional to 55,519,889.77, 76,619,842.22 and 30,740,077.15

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Solution

The fourth proportional to 55,519,889.77, 76,619,842.22 and 30,740,077.15 is: 42,422,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519,889.77 : 76,619,842.22 = 30,740,077.15 : x
  2. Step 2: Convert to fraction form
    55,519,889.77/76,619,842.22 = 30,740,077.15/x
  3. Step 3: Cross multiply
    55,519,889.77x = 76,619,842.22 × 30,740,077.15
  4. Step 4: Simplify right side
    55,519,889.77x = 2,355,299,861,063,627
  5. Step 5: Solve for x
    x = 2,355,299,861,063,627/55,519,889.77
  6. Step 6: Final answer
    x = 42,422,632.16

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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.