Home / 81,094,019.82-121,624,641.81-29,277,049.74

Finding the Fourth Proportional to 81,094,019.82, 121,624,641.81 and 29,277,049.74

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Solution

The fourth proportional to 81,094,019.82, 121,624,641.81 and 29,277,049.74 is: 43,909,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,094,019.82 : 121,624,641.81 = 29,277,049.74 : x
  2. Step 2: Convert to fraction form
    81,094,019.82/121,624,641.81 = 29,277,049.74/x
  3. Step 3: Cross multiply
    81,094,019.82x = 121,624,641.81 × 29,277,049.74
  4. Step 4: Simplify right side
    81,094,019.82x = 3,560,810,687,881,053.50
  5. Step 5: Solve for x
    x = 3,560,810,687,881,053.50/81,094,019.82
  6. Step 6: Final answer
    x = 43,909,658.14

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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.