Home / 188,486,762,469.73-282,728,280,516.96-86,354,385,727.81

Finding the Fourth Proportional to 188,486,762,469.73, 282,728,280,516.96 and 86,354,385,727.81

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Solution

The fourth proportional to 188,486,762,469.73, 282,728,280,516.96 and 86,354,385,727.81 is: 129,530,724,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,486,762,469.73 : 282,728,280,516.96 = 86,354,385,727.81 : x
  2. Step 2: Convert to fraction form
    188,486,762,469.73/282,728,280,516.96 = 86,354,385,727.81/x
  3. Step 3: Cross multiply
    188,486,762,469.73x = 282,728,280,516.96 × 86,354,385,727.81
  4. Step 4: Simplify right side
    188,486,762,469.73x = 24,414,826,991,922,035,294,208
  5. Step 5: Solve for x
    x = 24,414,826,991,922,035,294,208/188,486,762,469.73
  6. Step 6: Final answer
    x = 129,530,724,980.45

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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.