Home / 45,465,231.32-68,240,962.61-28,141,028.03

Finding the Fourth Proportional to 45,465,231.32, 68,240,962.61 and 28,141,028.03

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Solution

The fourth proportional to 45,465,231.32, 68,240,962.61 and 28,141,028.03 is: 42,238,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465,231.32 : 68,240,962.61 = 28,141,028.03 : x
  2. Step 2: Convert to fraction form
    45,465,231.32/68,240,962.61 = 28,141,028.03/x
  3. Step 3: Cross multiply
    45,465,231.32x = 68,240,962.61 × 28,141,028.03
  4. Step 4: Simplify right side
    45,465,231.32x = 1,920,370,841,120,282
  5. Step 5: Solve for x
    x = 1,920,370,841,120,282/45,465,231.32
  6. Step 6: Final answer
    x = 42,238,228.76

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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.