Home / 53,906,981.40-80,860,472.10-52,489,805.40

Finding the Fourth Proportional to 53,906,981.40, 80,860,472.10 and 52,489,805.40

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Solution

The fourth proportional to 53,906,981.40, 80,860,472.10 and 52,489,805.40 is: 78,734,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,906,981.40 : 80,860,472.10 = 52,489,805.40 : x
  2. Step 2: Convert to fraction form
    53,906,981.40/80,860,472.10 = 52,489,805.40/x
  3. Step 3: Cross multiply
    53,906,981.40x = 80,860,472.10 × 52,489,805.40
  4. Step 4: Simplify right side
    53,906,981.40x = 4,244,350,445,081,129
  5. Step 5: Solve for x
    x = 4,244,350,445,081,129/53,906,981.40
  6. Step 6: Final answer
    x = 78,734,708.10

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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.