Home / 89,181,112.80-133,771,669.20-63,353,080.20

Finding the Fourth Proportional to 89,181,112.80, 133,771,669.20 and 63,353,080.20

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Solution

The fourth proportional to 89,181,112.80, 133,771,669.20 and 63,353,080.20 is: 95,029,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,181,112.80 : 133,771,669.20 = 63,353,080.20 : x
  2. Step 2: Convert to fraction form
    89,181,112.80/133,771,669.20 = 63,353,080.20/x
  3. Step 3: Cross multiply
    89,181,112.80x = 133,771,669.20 × 63,353,080.20
  4. Step 4: Simplify right side
    89,181,112.80x = 8,474,847,287,315,470
  5. Step 5: Solve for x
    x = 8,474,847,287,315,470/89,181,112.80
  6. Step 6: Final answer
    x = 95,029,620.30

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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.