Home / 64,639,841.39-89,179,671.56-49,759,716.34

Finding the Fourth Proportional to 64,639,841.39, 89,179,671.56 and 49,759,716.34

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Solution

The fourth proportional to 64,639,841.39, 89,179,671.56 and 49,759,716.34 is: 68,650,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639,841.39 : 89,179,671.56 = 49,759,716.34 : x
  2. Step 2: Convert to fraction form
    64,639,841.39/89,179,671.56 = 49,759,716.34/x
  3. Step 3: Cross multiply
    64,639,841.39x = 89,179,671.56 × 49,759,716.34
  4. Step 4: Simplify right side
    64,639,841.39x = 4,437,555,160,119,965.50
  5. Step 5: Solve for x
    x = 4,437,555,160,119,965.50/64,639,841.39
  6. Step 6: Final answer
    x = 68,650,464.86

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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.