Home / 66,389,659.26-91,617,818.04-36,619,639.70

Finding the Fourth Proportional to 66,389,659.26, 91,617,818.04 and 36,619,639.70

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Solution

The fourth proportional to 66,389,659.26, 91,617,818.04 and 36,619,639.70 is: 50,535,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,389,659.26 : 91,617,818.04 = 36,619,639.70 : x
  2. Step 2: Convert to fraction form
    66,389,659.26/91,617,818.04 = 36,619,639.70/x
  3. Step 3: Cross multiply
    66,389,659.26x = 91,617,818.04 × 36,619,639.70
  4. Step 4: Simplify right side
    66,389,659.26x = 3,355,011,486,266,871.50
  5. Step 5: Solve for x
    x = 3,355,011,486,266,871.50/66,389,659.26
  6. Step 6: Final answer
    x = 50,535,151.46

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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.