Home / 55,164,161.37-76,126,539.12-31,972,740.46

Finding the Fourth Proportional to 55,164,161.37, 76,126,539.12 and 31,972,740.46

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Solution

The fourth proportional to 55,164,161.37, 76,126,539.12 and 31,972,740.46 is: 44,122,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,164,161.37 : 76,126,539.12 = 31,972,740.46 : x
  2. Step 2: Convert to fraction form
    55,164,161.37/76,126,539.12 = 31,972,740.46/x
  3. Step 3: Cross multiply
    55,164,161.37x = 76,126,539.12 × 31,972,740.46
  4. Step 4: Simplify right side
    55,164,161.37x = 2,433,974,077,241,933
  5. Step 5: Solve for x
    x = 2,433,974,077,241,933/55,164,161.37
  6. Step 6: Final answer
    x = 44,122,379.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.