Home / 65,378,633.43-90,222,511.41-36,009,966.90

Finding the Fourth Proportional to 65,378,633.43, 90,222,511.41 and 36,009,966.90

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Solution

The fourth proportional to 65,378,633.43, 90,222,511.41 and 36,009,966.90 is: 49,693,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,378,633.43 : 90,222,511.41 = 36,009,966.90 : x
  2. Step 2: Convert to fraction form
    65,378,633.43/90,222,511.41 = 36,009,966.90/x
  3. Step 3: Cross multiply
    65,378,633.43x = 90,222,511.41 × 36,009,966.90
  4. Step 4: Simplify right side
    65,378,633.43x = 3,248,909,649,508,972
  5. Step 5: Solve for x
    x = 3,248,909,649,508,972/65,378,633.43
  6. Step 6: Final answer
    x = 49,693,752.82

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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.