Home / 112,592,836.48-155,297,991.36-103,330,322.56

Finding the Fourth Proportional to 112,592,836.48, 155,297,991.36 and 103,330,322.56

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Solution

The fourth proportional to 112,592,836.48, 155,297,991.36 and 103,330,322.56 is: 142,522,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,592,836.48 : 155,297,991.36 = 103,330,322.56 : x
  2. Step 2: Convert to fraction form
    112,592,836.48/155,297,991.36 = 103,330,322.56/x
  3. Step 3: Cross multiply
    112,592,836.48x = 155,297,991.36 × 103,330,322.56
  4. Step 4: Simplify right side
    112,592,836.48x = 16,046,991,540,148,894
  5. Step 5: Solve for x
    x = 16,046,991,540,148,894/112,592,836.48
  6. Step 6: Final answer
    x = 142,522,313.51

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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.