Home / 53,413,590.40-80,120,385.60-49,587,215.20

Finding the Fourth Proportional to 53,413,590.40, 80,120,385.60 and 49,587,215.20

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Solution

The fourth proportional to 53,413,590.40, 80,120,385.60 and 49,587,215.20 is: 74,380,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413,590.40 : 80,120,385.60 = 49,587,215.20 : x
  2. Step 2: Convert to fraction form
    53,413,590.40/80,120,385.60 = 49,587,215.20/x
  3. Step 3: Cross multiply
    53,413,590.40x = 80,120,385.60 × 49,587,215.20
  4. Step 4: Simplify right side
    53,413,590.40x = 3,972,946,802,654,181
  5. Step 5: Solve for x
    x = 3,972,946,802,654,181/53,413,590.40
  6. Step 6: Final answer
    x = 74,380,822.80

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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.