Home / 453,480,192.80-680,286,644.40-146,720,103.20

Finding the Fourth Proportional to 453,480,192.80, 680,286,644.40 and 146,720,103.20

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Solution

The fourth proportional to 453,480,192.80, 680,286,644.40 and 146,720,103.20 is: 220,101,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,480,192.80 : 680,286,644.40 = 146,720,103.20 : x
  2. Step 2: Convert to fraction form
    453,480,192.80/680,286,644.40 = 146,720,103.20/x
  3. Step 3: Cross multiply
    453,480,192.80x = 680,286,644.40 × 146,720,103.20
  4. Step 4: Simplify right side
    453,480,192.80x = 99,811,726,671,949,696
  5. Step 5: Solve for x
    x = 99,811,726,671,949,696/453,480,192.80
  6. Step 6: Final answer
    x = 220,101,623.53

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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.