Home / 85,693,702.10-128,500,031.89-33,195,961.05

Finding the Fourth Proportional to 85,693,702.10, 128,500,031.89 and 33,195,961.05

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Solution

The fourth proportional to 85,693,702.10, 128,500,031.89 and 33,195,961.05 is: 49,778,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,693,702.10 : 128,500,031.89 = 33,195,961.05 : x
  2. Step 2: Convert to fraction form
    85,693,702.10/128,500,031.89 = 33,195,961.05/x
  3. Step 3: Cross multiply
    85,693,702.10x = 128,500,031.89 × 33,195,961.05
  4. Step 4: Simplify right side
    85,693,702.10x = 4,265,682,053,544,198
  5. Step 5: Solve for x
    x = 4,265,682,053,544,198/85,693,702.10
  6. Step 6: Final answer
    x = 49,778,244.48

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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.