Home / 55,164,330-76,126,771.80-31,972,909.14

Finding the Fourth Proportional to 55,164,330, 76,126,771.80 and 31,972,909.14

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Solution

The fourth proportional to 55,164,330, 76,126,771.80 and 31,972,909.14 is: 44,122,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,164,330 : 76,126,771.80 = 31,972,909.14 : x
  2. Step 2: Convert to fraction form
    55,164,330/76,126,771.80 = 31,972,909.14/x
  3. Step 3: Cross multiply
    55,164,330x = 76,126,771.80 × 31,972,909.14
  4. Step 4: Simplify right side
    55,164,330x = 2,433,994,357,882,914
  5. Step 5: Solve for x
    x = 2,433,994,357,882,914/55,164,330
  6. Step 6: Final answer
    x = 44,122,612.53

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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.