Home / 112,833,828.68-155,644,712.87-70,951,608.63

Finding the Fourth Proportional to 112,833,828.68, 155,644,712.87 and 70,951,608.63

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Solution

The fourth proportional to 112,833,828.68, 155,644,712.87 and 70,951,608.63 is: 97,871,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833,828.68 : 155,644,712.87 = 70,951,608.63 : x
  2. Step 2: Convert to fraction form
    112,833,828.68/155,644,712.87 = 70,951,608.63/x
  3. Step 3: Cross multiply
    112,833,828.68x = 155,644,712.87 × 70,951,608.63
  4. Step 4: Simplify right side
    112,833,828.68x = 11,043,242,752,526,206
  5. Step 5: Solve for x
    x = 11,043,242,752,526,206/112,833,828.68
  6. Step 6: Final answer
    x = 97,871,736.54

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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.