Home / 131,495,612.20-197,243,418.30-54,873,629.80

Finding the Fourth Proportional to 131,495,612.20, 197,243,418.30 and 54,873,629.80

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Solution

The fourth proportional to 131,495,612.20, 197,243,418.30 and 54,873,629.80 is: 82,310,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495,612.20 : 197,243,418.30 = 54,873,629.80 : x
  2. Step 2: Convert to fraction form
    131,495,612.20/197,243,418.30 = 54,873,629.80/x
  3. Step 3: Cross multiply
    131,495,612.20x = 197,243,418.30 × 54,873,629.80
  4. Step 4: Simplify right side
    131,495,612.20x = 10,823,462,316,280,746
  5. Step 5: Solve for x
    x = 10,823,462,316,280,746/131,495,612.20
  6. Step 6: Final answer
    x = 82,310,444.70

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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.