Home / 85,910,599.08-128,878,004.07-27,598,724.19

Finding the Fourth Proportional to 85,910,599.08, 128,878,004.07 and 27,598,724.19

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Solution

The fourth proportional to 85,910,599.08, 128,878,004.07 and 27,598,724.19 is: 41,401,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,910,599.08 : 128,878,004.07 = 27,598,724.19 : x
  2. Step 2: Convert to fraction form
    85,910,599.08/128,878,004.07 = 27,598,724.19/x
  3. Step 3: Cross multiply
    85,910,599.08x = 128,878,004.07 × 27,598,724.19
  4. Step 4: Simplify right side
    85,910,599.08x = 3,556,868,488,485,627.50
  5. Step 5: Solve for x
    x = 3,556,868,488,485,627.50/85,910,599.08
  6. Step 6: Final answer
    x = 41,401,975.15

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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.