Home / 138,965,496.61-208,449,741.63-41,922,044.95

Finding the Fourth Proportional to 138,965,496.61, 208,449,741.63 and 41,922,044.95

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Solution

The fourth proportional to 138,965,496.61, 208,449,741.63 and 41,922,044.95 is: 62,883,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,965,496.61 : 208,449,741.63 = 41,922,044.95 : x
  2. Step 2: Convert to fraction form
    138,965,496.61/208,449,741.63 = 41,922,044.95/x
  3. Step 3: Cross multiply
    138,965,496.61x = 208,449,741.63 × 41,922,044.95
  4. Step 4: Simplify right side
    138,965,496.61x = 8,738,639,438,428,747
  5. Step 5: Solve for x
    x = 8,738,639,438,428,747/138,965,496.61
  6. Step 6: Final answer
    x = 62,883,518.94

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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.