Home / 111,490,624.80-167,076,504.90-77,372,112.60

Finding the Fourth Proportional to 111,490,624.80, 167,076,504.90 and 77,372,112.60

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Solution

The fourth proportional to 111,490,624.80, 167,076,504.90 and 77,372,112.60 is: 115,947,526.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,490,624.80 : 167,076,504.90 = 77,372,112.60 : x
  2. Step 2: Convert to fraction form
    111,490,624.80/167,076,504.90 = 77,372,112.60/x
  3. Step 3: Cross multiply
    111,490,624.80x = 167,076,504.90 × 77,372,112.60
  4. Step 4: Simplify right side
    111,490,624.80x = 12,927,062,149,937,252
  5. Step 5: Solve for x
    x = 12,927,062,149,937,252/111,490,624.80
  6. Step 6: Final answer
    x = 115,947,526.29

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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.