Home / 228,365,740.48-315,145,031.52-123,943,815.04

Finding the Fourth Proportional to 228,365,740.48, 315,145,031.52 and 123,943,815.04

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Solution

The fourth proportional to 228,365,740.48, 315,145,031.52 and 123,943,815.04 is: 171,042,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,365,740.48 : 315,145,031.52 = 123,943,815.04 : x
  2. Step 2: Convert to fraction form
    228,365,740.48/315,145,031.52 = 123,943,815.04/x
  3. Step 3: Cross multiply
    228,365,740.48x = 315,145,031.52 × 123,943,815.04
  4. Step 4: Simplify right side
    228,365,740.48x = 39,060,277,497,489,848
  5. Step 5: Solve for x
    x = 39,060,277,497,489,848/228,365,740.48
  6. Step 6: Final answer
    x = 171,042,632.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.