Home / 112,833,830.41-155,644,715.18-70,951,610.36

Finding the Fourth Proportional to 112,833,830.41, 155,644,715.18 and 70,951,610.36

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Solution

The fourth proportional to 112,833,830.41, 155,644,715.18 and 70,951,610.36 is: 97,871,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833,830.41 : 155,644,715.18 = 70,951,610.36 : x
  2. Step 2: Convert to fraction form
    112,833,830.41/155,644,715.18 = 70,951,610.36/x
  3. Step 3: Cross multiply
    112,833,830.41x = 155,644,715.18 × 70,951,610.36
  4. Step 4: Simplify right side
    112,833,830.41x = 11,043,243,186,611,028
  5. Step 5: Solve for x
    x = 11,043,243,186,611,028/112,833,830.41
  6. Step 6: Final answer
    x = 97,871,738.88

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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.