Home / 99,642,627.20-149,463,940.80-88,893,084.80

Finding the Fourth Proportional to 99,642,627.20, 149,463,940.80 and 88,893,084.80

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Solution

The fourth proportional to 99,642,627.20, 149,463,940.80 and 88,893,084.80 is: 133,339,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642,627.20 : 149,463,940.80 = 88,893,084.80 : x
  2. Step 2: Convert to fraction form
    99,642,627.20/149,463,940.80 = 88,893,084.80/x
  3. Step 3: Cross multiply
    99,642,627.20x = 149,463,940.80 × 88,893,084.80
  4. Step 4: Simplify right side
    99,642,627.20x = 13,286,310,764,076,580
  5. Step 5: Solve for x
    x = 13,286,310,764,076,580/99,642,627.20
  6. Step 6: Final answer
    x = 133,339,627.20

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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.