Home / 221,284,866.70-331,927,300.05-113,789,442.70

Finding the Fourth Proportional to 221,284,866.70, 331,927,300.05 and 113,789,442.70

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Solution

The fourth proportional to 221,284,866.70, 331,927,300.05 and 113,789,442.70 is: 170,684,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,284,866.70 : 331,927,300.05 = 113,789,442.70 : x
  2. Step 2: Convert to fraction form
    221,284,866.70/331,927,300.05 = 113,789,442.70/x
  3. Step 3: Cross multiply
    221,284,866.70x = 331,927,300.05 × 113,789,442.70
  4. Step 4: Simplify right side
    221,284,866.70x = 37,769,822,489,605,184
  5. Step 5: Solve for x
    x = 37,769,822,489,605,184/221,284,866.70
  6. Step 6: Final answer
    x = 170,684,164.05

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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.