Home / 211,353,618.51-291,670,358.10-117,269,469

Finding the Fourth Proportional to 211,353,618.51, 291,670,358.10 and 117,269,469

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Solution

The fourth proportional to 211,353,618.51, 291,670,358.10 and 117,269,469 is: 161,833,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,353,618.51 : 291,670,358.10 = 117,269,469 : x
  2. Step 2: Convert to fraction form
    211,353,618.51/291,670,358.10 = 117,269,469/x
  3. Step 3: Cross multiply
    211,353,618.51x = 291,670,358.10 × 117,269,469
  4. Step 4: Simplify right side
    211,353,618.51x = 34,204,028,017,426,852
  5. Step 5: Solve for x
    x = 34,204,028,017,426,852/211,353,618.51
  6. Step 6: Final answer
    x = 161,833,179.19

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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.