Home / 91,125,942,412.48-136,551,645,404.60-81,195,171,500.04

Finding the Fourth Proportional to 91,125,942,412.48, 136,551,645,404.60 and 81,195,171,500.04

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Solution

The fourth proportional to 91,125,942,412.48, 136,551,645,404.60 and 81,195,171,500.04 is: 121,670,448,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,125,942,412.48 : 136,551,645,404.60 = 81,195,171,500.04 : x
  2. Step 2: Convert to fraction form
    91,125,942,412.48/136,551,645,404.60 = 81,195,171,500.04/x
  3. Step 3: Cross multiply
    91,125,942,412.48x = 136,551,645,404.60 × 81,195,171,500.04
  4. Step 4: Simplify right side
    91,125,942,412.48x = 11,087,334,267,239,144,620,032
  5. Step 5: Solve for x
    x = 11,087,334,267,239,144,620,032/91,125,942,412.48
  6. Step 6: Final answer
    x = 121,670,448,323.62

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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.