Home / 179,485,511.75-247,709,045.13-105,208,479.95

Finding the Fourth Proportional to 179,485,511.75, 247,709,045.13 and 105,208,479.95

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Solution

The fourth proportional to 179,485,511.75, 247,709,045.13 and 105,208,479.95 is: 145,198,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,485,511.75 : 247,709,045.13 = 105,208,479.95 : x
  2. Step 2: Convert to fraction form
    179,485,511.75/247,709,045.13 = 105,208,479.95/x
  3. Step 3: Cross multiply
    179,485,511.75x = 247,709,045.13 × 105,208,479.95
  4. Step 4: Simplify right side
    179,485,511.75x = 26,061,092,106,754,704
  5. Step 5: Solve for x
    x = 26,061,092,106,754,704/179,485,511.75
  6. Step 6: Final answer
    x = 145,198,862.31

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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.