Home / 131,495,623.20-197,243,434.80-54,873,640.80

Finding the Fourth Proportional to 131,495,623.20, 197,243,434.80 and 54,873,640.80

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Solution

The fourth proportional to 131,495,623.20, 197,243,434.80 and 54,873,640.80 is: 82,310,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495,623.20 : 197,243,434.80 = 54,873,640.80 : x
  2. Step 2: Convert to fraction form
    131,495,623.20/197,243,434.80 = 54,873,640.80/x
  3. Step 3: Cross multiply
    131,495,623.20x = 197,243,434.80 × 54,873,640.80
  4. Step 4: Simplify right side
    131,495,623.20x = 10,823,465,391,373,420
  5. Step 5: Solve for x
    x = 10,823,465,391,373,420/131,495,623.20
  6. Step 6: Final answer
    x = 82,310,461.20

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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.