Home / 85,664,640,134.45-118,218,274,621.20-47,087,771,816.21

Finding the Fourth Proportional to 85,664,640,134.45, 118,218,274,621.20 and 47,087,771,816.21

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Solution

The fourth proportional to 85,664,640,134.45, 118,218,274,621.20 and 47,087,771,816.21 is: 64,981,713,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,664,640,134.45 : 118,218,274,621.20 = 47,087,771,816.21 : x
  2. Step 2: Convert to fraction form
    85,664,640,134.45/118,218,274,621.20 = 47,087,771,816.21/x
  3. Step 3: Cross multiply
    85,664,640,134.45x = 118,218,274,621.20 × 47,087,771,816.21
  4. Step 4: Simplify right side
    85,664,640,134.45x = 5,566,635,139,868,524,544,000
  5. Step 5: Solve for x
    x = 5,566,635,139,868,524,544,000/85,664,640,134.45
  6. Step 6: Final answer
    x = 64,981,713,938.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.