Home / 82,990,138.12-124,483,447.86-27,661,973.56

Finding the Fourth Proportional to 82,990,138.12, 124,483,447.86 and 27,661,973.56

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Solution

The fourth proportional to 82,990,138.12, 124,483,447.86 and 27,661,973.56 is: 41,492,373.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,990,138.12 : 124,483,447.86 = 27,661,973.56 : x
  2. Step 2: Convert to fraction form
    82,990,138.12/124,483,447.86 = 27,661,973.56/x
  3. Step 3: Cross multiply
    82,990,138.12x = 124,483,447.86 × 27,661,973.56
  4. Step 4: Simplify right side
    82,990,138.12x = 3,443,457,843,360,958.50
  5. Step 5: Solve for x
    x = 3,443,457,843,360,958.50/82,990,138.12
  6. Step 6: Final answer
    x = 41,492,373.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.