Home / 118,045,796.20-177,068,694.30-105,610,076.80

Finding the Fourth Proportional to 118,045,796.20, 177,068,694.30 and 105,610,076.80

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Solution

The fourth proportional to 118,045,796.20, 177,068,694.30 and 105,610,076.80 is: 158,415,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045,796.20 : 177,068,694.30 = 105,610,076.80 : x
  2. Step 2: Convert to fraction form
    118,045,796.20/177,068,694.30 = 105,610,076.80/x
  3. Step 3: Cross multiply
    118,045,796.20x = 177,068,694.30 × 105,610,076.80
  4. Step 4: Simplify right side
    118,045,796.20x = 18,700,238,403,898,724
  5. Step 5: Solve for x
    x = 18,700,238,403,898,724/118,045,796.20
  6. Step 6: Final answer
    x = 158,415,115.20

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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.