Home / 203,792,456.80-305,688,685.20-135,768,008.80

Finding the Fourth Proportional to 203,792,456.80, 305,688,685.20 and 135,768,008.80

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Solution

The fourth proportional to 203,792,456.80, 305,688,685.20 and 135,768,008.80 is: 203,652,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,792,456.80 : 305,688,685.20 = 135,768,008.80 : x
  2. Step 2: Convert to fraction form
    203,792,456.80/305,688,685.20 = 135,768,008.80/x
  3. Step 3: Cross multiply
    203,792,456.80x = 305,688,685.20 × 135,768,008.80
  4. Step 4: Simplify right side
    203,792,456.80x = 41,502,744,102,294,032
  5. Step 5: Solve for x
    x = 41,502,744,102,294,032/203,792,456.80
  6. Step 6: Final answer
    x = 203,652,013.20

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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.