Home / 188,486,762,456.92-282,728,280,497.73-86,354,385,715.01

Finding the Fourth Proportional to 188,486,762,456.92, 282,728,280,497.73 and 86,354,385,715.01

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Solution

The fourth proportional to 188,486,762,456.92, 282,728,280,497.73 and 86,354,385,715.01 is: 129,530,724,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,486,762,456.92 : 282,728,280,497.73 = 86,354,385,715.01 : x
  2. Step 2: Convert to fraction form
    188,486,762,456.92/282,728,280,497.73 = 86,354,385,715.01/x
  3. Step 3: Cross multiply
    188,486,762,456.92x = 282,728,280,497.73 × 86,354,385,715.01
  4. Step 4: Simplify right side
    188,486,762,456.92x = 24,414,826,986,643,361,103,872
  5. Step 5: Solve for x
    x = 24,414,826,986,643,361,103,872/188,486,762,456.92
  6. Step 6: Final answer
    x = 129,530,724,961.25

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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.