Home / 105,951,178,526.88-158,795,901,015.12-90,922,707,291.36

Finding the Fourth Proportional to 105,951,178,526.88, 158,795,901,015.12 and 90,922,707,291.36

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Solution

The fourth proportional to 105,951,178,526.88, 158,795,901,015.12 and 90,922,707,291.36 is: 136,271,756,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,951,178,526.88 : 158,795,901,015.12 = 90,922,707,291.36 : x
  2. Step 2: Convert to fraction form
    105,951,178,526.88/158,795,901,015.12 = 90,922,707,291.36/x
  3. Step 3: Cross multiply
    105,951,178,526.88x = 158,795,901,015.12 × 90,922,707,291.36
  4. Step 4: Simplify right side
    105,951,178,526.88x = 14,438,153,227,065,532,350,464
  5. Step 5: Solve for x
    x = 14,438,153,227,065,532,350,464/105,951,178,526.88
  6. Step 6: Final answer
    x = 136,271,756,745.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.