Home / 117,476,342.37-162,107,861.79-67,919,909.66

Finding the Fourth Proportional to 117,476,342.37, 162,107,861.79 and 67,919,909.66

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Solution

The fourth proportional to 117,476,342.37, 162,107,861.79 and 67,919,909.66 is: 93,723,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476,342.37 : 162,107,861.79 = 67,919,909.66 : x
  2. Step 2: Convert to fraction form
    117,476,342.37/162,107,861.79 = 67,919,909.66/x
  3. Step 3: Cross multiply
    117,476,342.37x = 162,107,861.79 × 67,919,909.66
  4. Step 4: Simplify right side
    117,476,342.37x = 11,010,351,327,142,026
  5. Step 5: Solve for x
    x = 11,010,351,327,142,026/117,476,342.37
  6. Step 6: Final answer
    x = 93,723,988.21

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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.