Home / 131,225,999.20-196,838,998.80-54,523,535.20

Finding the Fourth Proportional to 131,225,999.20, 196,838,998.80 and 54,523,535.20

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Solution

The fourth proportional to 131,225,999.20, 196,838,998.80 and 54,523,535.20 is: 81,785,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,999.20 : 196,838,998.80 = 54,523,535.20 : x
  2. Step 2: Convert to fraction form
    131,225,999.20/196,838,998.80 = 54,523,535.20/x
  3. Step 3: Cross multiply
    131,225,999.20x = 196,838,998.80 × 54,523,535.20
  4. Step 4: Simplify right side
    131,225,999.20x = 10,732,358,079,804,558
  5. Step 5: Solve for x
    x = 10,732,358,079,804,558/131,225,999.20
  6. Step 6: Final answer
    x = 81,785,302.80

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1.5x scale

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.