Home / 113,382,204-156,467,473.92-66,348,317.76

Finding the Fourth Proportional to 113,382,204, 156,467,473.92 and 66,348,317.76

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Solution

The fourth proportional to 113,382,204, 156,467,473.92 and 66,348,317.76 is: 91,560,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,382,204 : 156,467,473.92 = 66,348,317.76 : x
  2. Step 2: Convert to fraction form
    113,382,204/156,467,473.92 = 66,348,317.76/x
  3. Step 3: Cross multiply
    113,382,204x = 156,467,473.92 × 66,348,317.76
  4. Step 4: Simplify right side
    113,382,204x = 10,381,353,678,748,672
  5. Step 5: Solve for x
    x = 10,381,353,678,748,672/113,382,204
  6. Step 6: Final answer
    x = 91,560,697.47

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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.