Home / 211,204,540.56-291,475,735.56-118,385,072.40

Finding the Fourth Proportional to 211,204,540.56, 291,475,735.56 and 118,385,072.40

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Solution

The fourth proportional to 211,204,540.56, 291,475,735.56 and 118,385,072.40 is: 163,378,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,204,540.56 : 291,475,735.56 = 118,385,072.40 : x
  2. Step 2: Convert to fraction form
    211,204,540.56/291,475,735.56 = 118,385,072.40/x
  3. Step 3: Cross multiply
    211,204,540.56x = 291,475,735.56 × 118,385,072.40
  4. Step 4: Simplify right side
    211,204,540.56x = 34,506,376,057,113,856
  5. Step 5: Solve for x
    x = 34,506,376,057,113,856/211,204,540.56
  6. Step 6: Final answer
    x = 163,378,949.93

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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.