Home / 81,860,081,228.91-122,680,363,879.30-63,709,785,914.27

Finding the Fourth Proportional to 81,860,081,228.91, 122,680,363,879.30 and 63,709,785,914.27

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Solution

The fourth proportional to 81,860,081,228.91, 122,680,363,879.30 and 63,709,785,914.27 is: 95,479,256,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,860,081,228.91 : 122,680,363,879.30 = 63,709,785,914.27 : x
  2. Step 2: Convert to fraction form
    81,860,081,228.91/122,680,363,879.30 = 63,709,785,914.27/x
  3. Step 3: Cross multiply
    81,860,081,228.91x = 122,680,363,879.30 × 63,709,785,914.27
  4. Step 4: Simplify right side
    81,860,081,228.91x = 7,815,939,718,634,331,439,104
  5. Step 5: Solve for x
    x = 7,815,939,718,634,331,439,104/81,860,081,228.91
  6. Step 6: Final answer
    x = 95,479,256,816.01

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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.