Home / 66,409,195.13-91,645,007.58-36,639,841.68

Finding the Fourth Proportional to 66,409,195.13, 91,645,007.58 and 36,639,841.68

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Solution

The fourth proportional to 66,409,195.13, 91,645,007.58 and 36,639,841.68 is: 50,563,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,409,195.13 : 91,645,007.58 = 36,639,841.68 : x
  2. Step 2: Convert to fraction form
    66,409,195.13/91,645,007.58 = 36,639,841.68/x
  3. Step 3: Cross multiply
    66,409,195.13x = 91,645,007.58 × 36,639,841.68
  4. Step 4: Simplify right side
    66,409,195.13x = 3,357,858,568,402,000.50
  5. Step 5: Solve for x
    x = 3,357,858,568,402,000.50/66,409,195.13
  6. Step 6: Final answer
    x = 50,563,157.13

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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.