Home / 111,490,627.80-167,076,509.40-77,372,115.60

Finding the Fourth Proportional to 111,490,627.80, 167,076,509.40 and 77,372,115.60

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Solution

The fourth proportional to 111,490,627.80, 167,076,509.40 and 77,372,115.60 is: 115,947,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,490,627.80 : 167,076,509.40 = 77,372,115.60 : x
  2. Step 2: Convert to fraction form
    111,490,627.80/167,076,509.40 = 77,372,115.60/x
  3. Step 3: Cross multiply
    111,490,627.80x = 167,076,509.40 × 77,372,115.60
  4. Step 4: Simplify right side
    111,490,627.80x = 12,927,062,999,341,286
  5. Step 5: Solve for x
    x = 12,927,062,999,341,286/111,490,627.80
  6. Step 6: Final answer
    x = 115,947,530.79

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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.