Home / 45,465,234.82-68,240,967.86-28,141,031.53

Finding the Fourth Proportional to 45,465,234.82, 68,240,967.86 and 28,141,031.53

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Solution

The fourth proportional to 45,465,234.82, 68,240,967.86 and 28,141,031.53 is: 42,238,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465,234.82 : 68,240,967.86 = 28,141,031.53 : x
  2. Step 2: Convert to fraction form
    45,465,234.82/68,240,967.86 = 28,141,031.53/x
  3. Step 3: Cross multiply
    45,465,234.82x = 68,240,967.86 × 28,141,031.53
  4. Step 4: Simplify right side
    45,465,234.82x = 1,920,371,228,185,976.75
  5. Step 5: Solve for x
    x = 1,920,371,228,185,976.75/45,465,234.82
  6. Step 6: Final answer
    x = 42,238,234.02

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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.