Home / 372,102,721.50-513,501,755.67-207,129,263.34

Finding the Fourth Proportional to 372,102,721.50, 513,501,755.67 and 207,129,263.34

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Solution

The fourth proportional to 372,102,721.50, 513,501,755.67 and 207,129,263.34 is: 285,838,383.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,102,721.50 : 513,501,755.67 = 207,129,263.34 : x
  2. Step 2: Convert to fraction form
    372,102,721.50/513,501,755.67 = 207,129,263.34/x
  3. Step 3: Cross multiply
    372,102,721.50x = 513,501,755.67 × 207,129,263.34
  4. Step 4: Simplify right side
    372,102,721.50x = 106,361,240,375,723,776
  5. Step 5: Solve for x
    x = 106,361,240,375,723,776/372,102,721.50
  6. Step 6: Final answer
    x = 285,838,383.41

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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.