Home / 211,186,499.58-291,437,997.21-117,107,274.33

Finding the Fourth Proportional to 211,186,499.58, 291,437,997.21 and 117,107,274.33

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Solution

The fourth proportional to 211,186,499.58, 291,437,997.21 and 117,107,274.33 is: 161,608,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,186,499.58 : 291,437,997.21 = 117,107,274.33 : x
  2. Step 2: Convert to fraction form
    211,186,499.58/291,437,997.21 = 117,107,274.33/x
  3. Step 3: Cross multiply
    211,186,499.58x = 291,437,997.21 × 117,107,274.33
  4. Step 4: Simplify right side
    211,186,499.58x = 34,129,509,489,457,240
  5. Step 5: Solve for x
    x = 34,129,509,489,457,240/211,186,499.58
  6. Step 6: Final answer
    x = 161,608,386.70

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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.