Home / 151,954,209.82-209,673,620.02-85,850,588.88

Finding the Fourth Proportional to 151,954,209.82, 209,673,620.02 and 85,850,588.88

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Solution

The fourth proportional to 151,954,209.82, 209,673,620.02 and 85,850,588.88 is: 118,460,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,954,209.82 : 209,673,620.02 = 85,850,588.88 : x
  2. Step 2: Convert to fraction form
    151,954,209.82/209,673,620.02 = 85,850,588.88/x
  3. Step 3: Cross multiply
    151,954,209.82x = 209,673,620.02 × 85,850,588.88
  4. Step 4: Simplify right side
    151,954,209.82x = 18,000,603,751,318,358
  5. Step 5: Solve for x
    x = 18,000,603,751,318,358/151,954,209.82
  6. Step 6: Final answer
    x = 118,460,711.11

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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.