Home / 207,225,103.40-310,783,472.70-61,619,445.80

Finding the Fourth Proportional to 207,225,103.40, 310,783,472.70 and 61,619,445.80

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Solution

The fourth proportional to 207,225,103.40, 310,783,472.70 and 61,619,445.80 is: 92,413,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,225,103.40 : 310,783,472.70 = 61,619,445.80 : x
  2. Step 2: Convert to fraction form
    207,225,103.40/310,783,472.70 = 61,619,445.80/x
  3. Step 3: Cross multiply
    207,225,103.40x = 310,783,472.70 × 61,619,445.80
  4. Step 4: Simplify right side
    207,225,103.40x = 19,150,305,351,573,428
  5. Step 5: Solve for x
    x = 19,150,305,351,573,428/207,225,103.40
  6. Step 6: Final answer
    x = 92,413,057.29

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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.