Home / 85,910,657.92-128,878,092.33-27,598,783.03

Finding the Fourth Proportional to 85,910,657.92, 128,878,092.33 and 27,598,783.03

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Solution

The fourth proportional to 85,910,657.92, 128,878,092.33 and 27,598,783.03 is: 41,402,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,910,657.92 : 128,878,092.33 = 27,598,783.03 : x
  2. Step 2: Convert to fraction form
    85,910,657.92/128,878,092.33 = 27,598,783.03/x
  3. Step 3: Cross multiply
    85,910,657.92x = 128,878,092.33 × 27,598,783.03
  4. Step 4: Simplify right side
    85,910,657.92x = 3,556,878,507,213,782
  5. Step 5: Solve for x
    x = 3,556,878,507,213,782/85,910,657.92
  6. Step 6: Final answer
    x = 41,402,063.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.