Home / 112,833,840.56-155,644,729.20-70,951,620.51

Finding the Fourth Proportional to 112,833,840.56, 155,644,729.20 and 70,951,620.51

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Solution

The fourth proportional to 112,833,840.56, 155,644,729.20 and 70,951,620.51 is: 97,871,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833,840.56 : 155,644,729.20 = 70,951,620.51 : x
  2. Step 2: Convert to fraction form
    112,833,840.56/155,644,729.20 = 70,951,620.51/x
  3. Step 3: Cross multiply
    112,833,840.56x = 155,644,729.20 × 70,951,620.51
  4. Step 4: Simplify right side
    112,833,840.56x = 11,043,245,760,580,116
  5. Step 5: Solve for x
    x = 11,043,245,760,580,116/112,833,840.56
  6. Step 6: Final answer
    x = 97,871,752.89

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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.