Home / 45,494,674.10-68,242,011.15-28,275,985.70

Finding the Fourth Proportional to 45,494,674.10, 68,242,011.15 and 28,275,985.70

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Solution

The fourth proportional to 45,494,674.10, 68,242,011.15 and 28,275,985.70 is: 42,413,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,494,674.10 : 68,242,011.15 = 28,275,985.70 : x
  2. Step 2: Convert to fraction form
    45,494,674.10/68,242,011.15 = 28,275,985.70/x
  3. Step 3: Cross multiply
    45,494,674.10x = 68,242,011.15 × 28,275,985.70
  4. Step 4: Simplify right side
    45,494,674.10x = 1,929,610,131,416,640.75
  5. Step 5: Solve for x
    x = 1,929,610,131,416,640.75/45,494,674.10
  6. Step 6: Final answer
    x = 42,413,978.55

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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.