Home / 372,176,553.12-558,348,092.40-113,412,025.20

Finding the Fourth Proportional to 372,176,553.12, 558,348,092.40 and 113,412,025.20

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Solution

The fourth proportional to 372,176,553.12, 558,348,092.40 and 113,412,025.20 is: 170,143,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,176,553.12 : 558,348,092.40 = 113,412,025.20 : x
  2. Step 2: Convert to fraction form
    372,176,553.12/558,348,092.40 = 113,412,025.20/x
  3. Step 3: Cross multiply
    372,176,553.12x = 558,348,092.40 × 113,412,025.20
  4. Step 4: Simplify right side
    372,176,553.12x = 63,323,387,925,640,728
  5. Step 5: Solve for x
    x = 63,323,387,925,640,728/372,176,553.12
  6. Step 6: Final answer
    x = 170,143,410.15

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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.