Home / 68,985,843.40-103,478,765.10-58,727,063.80

Finding the Fourth Proportional to 68,985,843.40, 103,478,765.10 and 58,727,063.80

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Solution

The fourth proportional to 68,985,843.40, 103,478,765.10 and 58,727,063.80 is: 88,090,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,985,843.40 : 103,478,765.10 = 58,727,063.80 : x
  2. Step 2: Convert to fraction form
    68,985,843.40/103,478,765.10 = 58,727,063.80/x
  3. Step 3: Cross multiply
    68,985,843.40x = 103,478,765.10 × 58,727,063.80
  4. Step 4: Simplify right side
    68,985,843.40x = 6,077,004,039,972,913
  5. Step 5: Solve for x
    x = 6,077,004,039,972,913/68,985,843.40
  6. Step 6: Final answer
    x = 88,090,595.70

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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.