Home / 154,034,879.54-231,127,053.35-67,762,076.40

Finding the Fourth Proportional to 154,034,879.54, 231,127,053.35 and 67,762,076.40

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Solution

The fourth proportional to 154,034,879.54, 231,127,053.35 and 67,762,076.40 is: 101,675,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034,879.54 : 231,127,053.35 = 67,762,076.40 : x
  2. Step 2: Convert to fraction form
    154,034,879.54/231,127,053.35 = 67,762,076.40/x
  3. Step 3: Cross multiply
    154,034,879.54x = 231,127,053.35 × 67,762,076.40
  4. Step 4: Simplify right side
    154,034,879.54x = 15,661,649,046,870,766
  5. Step 5: Solve for x
    x = 15,661,649,046,870,766/154,034,879.54
  6. Step 6: Final answer
    x = 101,675,991.14

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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.