Home / 49,906,738.80-74,860,108.20-42,600,409.20

Finding the Fourth Proportional to 49,906,738.80, 74,860,108.20 and 42,600,409.20

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Solution

The fourth proportional to 49,906,738.80, 74,860,108.20 and 42,600,409.20 is: 63,900,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,906,738.80 : 74,860,108.20 = 42,600,409.20 : x
  2. Step 2: Convert to fraction form
    49,906,738.80/74,860,108.20 = 42,600,409.20/x
  3. Step 3: Cross multiply
    49,906,738.80x = 74,860,108.20 × 42,600,409.20
  4. Step 4: Simplify right side
    49,906,738.80x = 3,189,071,242,076,276
  5. Step 5: Solve for x
    x = 3,189,071,242,076,276/49,906,738.80
  6. Step 6: Final answer
    x = 63,900,613.80

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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.