Home / 221,414,511.47-331,993,275.24-104,828,888.70

Finding the Fourth Proportional to 221,414,511.47, 331,993,275.24 and 104,828,888.70

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Solution

The fourth proportional to 221,414,511.47, 331,993,275.24 and 104,828,888.70 is: 157,182,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,414,511.47 : 331,993,275.24 = 104,828,888.70 : x
  2. Step 2: Convert to fraction form
    221,414,511.47/331,993,275.24 = 104,828,888.70/x
  3. Step 3: Cross multiply
    221,414,511.47x = 331,993,275.24 × 104,828,888.70
  4. Step 4: Simplify right side
    221,414,511.47x = 34,802,486,099,282,428
  5. Step 5: Solve for x
    x = 34,802,486,099,282,428/221,414,511.47
  6. Step 6: Final answer
    x = 157,182,498.42

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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.