Home / 111,490,800.30-167,076,768.15-77,372,288.10

Finding the Fourth Proportional to 111,490,800.30, 167,076,768.15 and 77,372,288.10

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Solution

The fourth proportional to 111,490,800.30, 167,076,768.15 and 77,372,288.10 is: 115,947,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,490,800.30 : 167,076,768.15 = 77,372,288.10 : x
  2. Step 2: Convert to fraction form
    111,490,800.30/167,076,768.15 = 77,372,288.10/x
  3. Step 3: Cross multiply
    111,490,800.30x = 167,076,768.15 × 77,372,288.10
  4. Step 4: Simplify right side
    111,490,800.30x = 12,927,111,840,118,704
  5. Step 5: Solve for x
    x = 12,927,111,840,118,704/111,490,800.30
  6. Step 6: Final answer
    x = 115,947,789.46

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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.