Home / 101,380,510.99-139,907,856.12-57,334,096.49

Finding the Fourth Proportional to 101,380,510.99, 139,907,856.12 and 57,334,096.49

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Solution

The fourth proportional to 101,380,510.99, 139,907,856.12 and 57,334,096.49 is: 79,122,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,380,510.99 : 139,907,856.12 = 57,334,096.49 : x
  2. Step 2: Convert to fraction form
    101,380,510.99/139,907,856.12 = 57,334,096.49/x
  3. Step 3: Cross multiply
    101,380,510.99x = 139,907,856.12 × 57,334,096.49
  4. Step 4: Simplify right side
    101,380,510.99x = 8,021,490,522,493,118
  5. Step 5: Solve for x
    x = 8,021,490,522,493,118/101,380,510.99
  6. Step 6: Final answer
    x = 79,122,608.91

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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.