Home / 48,285,003.10-72,427,504.65-42,994,212.70

Finding the Fourth Proportional to 48,285,003.10, 72,427,504.65 and 42,994,212.70

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Solution

The fourth proportional to 48,285,003.10, 72,427,504.65 and 42,994,212.70 is: 64,491,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285,003.10 : 72,427,504.65 = 42,994,212.70 : x
  2. Step 2: Convert to fraction form
    48,285,003.10/72,427,504.65 = 42,994,212.70/x
  3. Step 3: Cross multiply
    48,285,003.10x = 72,427,504.65 × 42,994,212.70
  4. Step 4: Simplify right side
    48,285,003.10x = 3,113,963,540,252,339.50
  5. Step 5: Solve for x
    x = 3,113,963,540,252,339.50/48,285,003.10
  6. Step 6: Final answer
    x = 64,491,319.05

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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.