Home / 240,236,663.77-331,505,968.17-139,783,685.95

Finding the Fourth Proportional to 240,236,663.77, 331,505,968.17 and 139,783,685.95

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Solution

The fourth proportional to 240,236,663.77, 331,505,968.17 and 139,783,685.95 is: 192,889,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,236,663.77 : 331,505,968.17 = 139,783,685.95 : x
  2. Step 2: Convert to fraction form
    240,236,663.77/331,505,968.17 = 139,783,685.95/x
  3. Step 3: Cross multiply
    240,236,663.77x = 331,505,968.17 × 139,783,685.95
  4. Step 4: Simplify right side
    240,236,663.77x = 46,339,126,145,225,976
  5. Step 5: Solve for x
    x = 46,339,126,145,225,976/240,236,663.77
  6. Step 6: Final answer
    x = 192,889,484.14

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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.