Home / 211,186,490.70-291,437,984.91-117,107,265.39

Finding the Fourth Proportional to 211,186,490.70, 291,437,984.91 and 117,107,265.39

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Solution

The fourth proportional to 211,186,490.70, 291,437,984.91 and 117,107,265.39 is: 161,608,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,186,490.70 : 291,437,984.91 = 117,107,265.39 : x
  2. Step 2: Convert to fraction form
    211,186,490.70/291,437,984.91 = 117,107,265.39/x
  3. Step 3: Cross multiply
    211,186,490.70x = 291,437,984.91 × 117,107,265.39
  4. Step 4: Simplify right side
    211,186,490.70x = 34,129,505,443,582,188
  5. Step 5: Solve for x
    x = 34,129,505,443,582,188/211,186,490.70
  6. Step 6: Final answer
    x = 161,608,374.34

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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.