Home / 51,980,722.65-71,710,879.91-31,342,703.49

Finding the Fourth Proportional to 51,980,722.65, 71,710,879.91 and 31,342,703.49

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Solution

The fourth proportional to 51,980,722.65, 71,710,879.91 and 31,342,703.49 is: 43,239,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980,722.65 : 71,710,879.91 = 31,342,703.49 : x
  2. Step 2: Convert to fraction form
    51,980,722.65/71,710,879.91 = 31,342,703.49/x
  3. Step 3: Cross multiply
    51,980,722.65x = 71,710,879.91 × 31,342,703.49
  4. Step 4: Simplify right side
    51,980,722.65x = 2,247,612,845,869,414.25
  5. Step 5: Solve for x
    x = 2,247,612,845,869,414.25/51,980,722.65
  6. Step 6: Final answer
    x = 43,239,353.58

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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.