Home / 68,967,765.90-103,444,931.52-28,029,659.58

Finding the Fourth Proportional to 68,967,765.90, 103,444,931.52 and 28,029,659.58

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Solution

The fourth proportional to 68,967,765.90, 103,444,931.52 and 28,029,659.58 is: 42,041,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,967,765.90 : 103,444,931.52 = 28,029,659.58 : x
  2. Step 2: Convert to fraction form
    68,967,765.90/103,444,931.52 = 28,029,659.58/x
  3. Step 3: Cross multiply
    68,967,765.90x = 103,444,931.52 × 28,029,659.58
  4. Step 4: Simplify right side
    68,967,765.90x = 2,899,526,215,782,011.50
  5. Step 5: Solve for x
    x = 2,899,526,215,782,011.50/68,967,765.90
  6. Step 6: Final answer
    x = 42,041,759.33

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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.