Home / 120,724,762.80-181,073,147.40-34,476,481.20

Finding the Fourth Proportional to 120,724,762.80, 181,073,147.40 and 34,476,481.20

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Solution

The fourth proportional to 120,724,762.80, 181,073,147.40 and 34,476,481.20 is: 51,710,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724,762.80 : 181,073,147.40 = 34,476,481.20 : x
  2. Step 2: Convert to fraction form
    120,724,762.80/181,073,147.40 = 34,476,481.20/x
  3. Step 3: Cross multiply
    120,724,762.80x = 181,073,147.40 × 34,476,481.20
  4. Step 4: Simplify right side
    120,724,762.80x = 6,242,764,962,160,930
  5. Step 5: Solve for x
    x = 6,242,764,962,160,930/120,724,762.80
  6. Step 6: Final answer
    x = 51,710,724.61

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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.