Home / 202,481,416.52-303,832,693.44-85,878,635.20

Finding the Fourth Proportional to 202,481,416.52, 303,832,693.44 and 85,878,635.20

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Solution

The fourth proportional to 202,481,416.52, 303,832,693.44 and 85,878,635.20 is: 128,864,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,481,416.52 : 303,832,693.44 = 85,878,635.20 : x
  2. Step 2: Convert to fraction form
    202,481,416.52/303,832,693.44 = 85,878,635.20/x
  3. Step 3: Cross multiply
    202,481,416.52x = 303,832,693.44 × 85,878,635.20
  4. Step 4: Simplify right side
    202,481,416.52x = 26,092,737,041,767,192
  5. Step 5: Solve for x
    x = 26,092,737,041,767,192/202,481,416.52
  6. Step 6: Final answer
    x = 128,864,848.39

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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.