Home / 117,685,188.77-162,337,932.60-73,555,601.45

Finding the Fourth Proportional to 117,685,188.77, 162,337,932.60 and 73,555,601.45

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Solution

The fourth proportional to 117,685,188.77, 162,337,932.60 and 73,555,601.45 is: 101,464,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,685,188.77 : 162,337,932.60 = 73,555,601.45 : x
  2. Step 2: Convert to fraction form
    117,685,188.77/162,337,932.60 = 73,555,601.45/x
  3. Step 3: Cross multiply
    117,685,188.77x = 162,337,932.60 × 73,555,601.45
  4. Step 4: Simplify right side
    117,685,188.77x = 11,940,864,270,325,654
  5. Step 5: Solve for x
    x = 11,940,864,270,325,654/117,685,188.77
  6. Step 6: Final answer
    x = 101,464,461.21

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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.