Home / 55,164,323.65-76,126,763.03-31,972,902.72

Finding the Fourth Proportional to 55,164,323.65, 76,126,763.03 and 31,972,902.72

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Solution

The fourth proportional to 55,164,323.65, 76,126,763.03 and 31,972,902.72 is: 44,122,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,164,323.65 : 76,126,763.03 = 31,972,902.72 : x
  2. Step 2: Convert to fraction form
    55,164,323.65/76,126,763.03 = 31,972,902.72/x
  3. Step 3: Cross multiply
    55,164,323.65x = 76,126,763.03 × 31,972,902.72
  4. Step 4: Simplify right side
    55,164,323.65x = 2,433,993,588,586,818
  5. Step 5: Solve for x
    x = 2,433,993,588,586,818/55,164,323.65
  6. Step 6: Final answer
    x = 44,122,603.66

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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.