Home / 217,780,115.04-300,532,758.08-118,661,682.88

Finding the Fourth Proportional to 217,780,115.04, 300,532,758.08 and 118,661,682.88

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Solution

The fourth proportional to 217,780,115.04, 300,532,758.08 and 118,661,682.88 is: 163,751,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,780,115.04 : 300,532,758.08 = 118,661,682.88 : x
  2. Step 2: Convert to fraction form
    217,780,115.04/300,532,758.08 = 118,661,682.88/x
  3. Step 3: Cross multiply
    217,780,115.04x = 300,532,758.08 × 118,661,682.88
  4. Step 4: Simplify right side
    217,780,115.04x = 35,661,722,834,340,716
  5. Step 5: Solve for x
    x = 35,661,722,834,340,716/217,780,115.04
  6. Step 6: Final answer
    x = 163,751,051.50

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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.