Home / 118,679,031.92-163,774,896.35-65,755,546.49

Finding the Fourth Proportional to 118,679,031.92, 163,774,896.35 and 65,755,546.49

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Solution

The fourth proportional to 118,679,031.92, 163,774,896.35 and 65,755,546.49 is: 90,741,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,679,031.92 : 163,774,896.35 = 65,755,546.49 : x
  2. Step 2: Convert to fraction form
    118,679,031.92/163,774,896.35 = 65,755,546.49/x
  3. Step 3: Cross multiply
    118,679,031.92x = 163,774,896.35 × 65,755,546.49
  4. Step 4: Simplify right side
    118,679,031.92x = 10,769,107,809,689,704
  5. Step 5: Solve for x
    x = 10,769,107,809,689,704/118,679,031.92
  6. Step 6: Final answer
    x = 90,741,453.11

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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.