Home / 188,486,762,454.67-282,728,280,494.35-86,354,385,712.77

Finding the Fourth Proportional to 188,486,762,454.67, 282,728,280,494.35 and 86,354,385,712.77

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Solution

The fourth proportional to 188,486,762,454.67, 282,728,280,494.35 and 86,354,385,712.77 is: 129,530,724,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,486,762,454.67 : 282,728,280,494.35 = 86,354,385,712.77 : x
  2. Step 2: Convert to fraction form
    188,486,762,454.67/282,728,280,494.35 = 86,354,385,712.77/x
  3. Step 3: Cross multiply
    188,486,762,454.67x = 282,728,280,494.35 × 86,354,385,712.77
  4. Step 4: Simplify right side
    188,486,762,454.67x = 24,414,826,985,715,912,409,088
  5. Step 5: Solve for x
    x = 24,414,826,985,715,912,409,088/188,486,762,454.67
  6. Step 6: Final answer
    x = 129,530,724,957.87

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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.