Home / 118,209,837.60-163,184,865.92-68,640,555.92

Finding the Fourth Proportional to 118,209,837.60, 163,184,865.92 and 68,640,555.92

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Solution

The fourth proportional to 118,209,837.60, 163,184,865.92 and 68,640,555.92 is: 94,756,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,209,837.60 : 163,184,865.92 = 68,640,555.92 : x
  2. Step 2: Convert to fraction form
    118,209,837.60/163,184,865.92 = 68,640,555.92/x
  3. Step 3: Cross multiply
    118,209,837.60x = 163,184,865.92 × 68,640,555.92
  4. Step 4: Simplify right side
    118,209,837.60x = 11,201,099,914,479,462
  5. Step 5: Solve for x
    x = 11,201,099,914,479,462/118,209,837.60
  6. Step 6: Final answer
    x = 94,756,072.27

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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.