Home / 211,186,486.20-291,437,978.70-117,107,260.89

Finding the Fourth Proportional to 211,186,486.20, 291,437,978.70 and 117,107,260.89

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Solution

The fourth proportional to 211,186,486.20, 291,437,978.70 and 117,107,260.89 is: 161,608,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,186,486.20 : 291,437,978.70 = 117,107,260.89 : x
  2. Step 2: Convert to fraction form
    211,186,486.20/291,437,978.70 = 117,107,260.89/x
  3. Step 3: Cross multiply
    211,186,486.20x = 291,437,978.70 × 117,107,260.89
  4. Step 4: Simplify right side
    211,186,486.20x = 34,129,503,404,875,160
  5. Step 5: Solve for x
    x = 34,129,503,404,875,160/211,186,486.20
  6. Step 6: Final answer
    x = 161,608,368.13

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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.