Home / 217,780,102-300,532,740.18-118,661,669.83

Finding the Fourth Proportional to 217,780,102, 300,532,740.18 and 118,661,669.83

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Solution

The fourth proportional to 217,780,102, 300,532,740.18 and 118,661,669.83 is: 163,751,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,780,102 : 300,532,740.18 = 118,661,669.83 : x
  2. Step 2: Convert to fraction form
    217,780,102/300,532,740.18 = 118,661,669.83/x
  3. Step 3: Cross multiply
    217,780,102x = 300,532,740.18 × 118,661,669.83
  4. Step 4: Simplify right side
    217,780,102x = 35,661,716,788,344,336
  5. Step 5: Solve for x
    x = 35,661,716,788,344,336/217,780,102
  6. Step 6: Final answer
    x = 163,751,033.55

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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.