Home / 112,592,838.48-155,297,994.12-103,330,324.56

Finding the Fourth Proportional to 112,592,838.48, 155,297,994.12 and 103,330,324.56

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Solution

The fourth proportional to 112,592,838.48, 155,297,994.12 and 103,330,324.56 is: 142,522,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,592,838.48 : 155,297,994.12 = 103,330,324.56 : x
  2. Step 2: Convert to fraction form
    112,592,838.48/155,297,994.12 = 103,330,324.56/x
  3. Step 3: Cross multiply
    112,592,838.48x = 155,297,994.12 × 103,330,324.56
  4. Step 4: Simplify right side
    112,592,838.48x = 16,046,992,135,936,572
  5. Step 5: Solve for x
    x = 16,046,992,135,936,572/112,592,838.48
  6. Step 6: Final answer
    x = 142,522,316.27

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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.