Home / 81,616,898,621.70-122,231,856,169.35-81,616,898,621.70

Finding the Fourth Proportional to 81,616,898,621.70, 122,231,856,169.35 and 81,616,898,621.70

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Solution

The fourth proportional to 81,616,898,621.70, 122,231,856,169.35 and 81,616,898,621.70 is: 122,231,856,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,616,898,621.70 : 122,231,856,169.35 = 81,616,898,621.70 : x
  2. Step 2: Convert to fraction form
    81,616,898,621.70/122,231,856,169.35 = 81,616,898,621.70/x
  3. Step 3: Cross multiply
    81,616,898,621.70x = 122,231,856,169.35 × 81,616,898,621.70
  4. Step 4: Simplify right side
    81,616,898,621.70x = 9,976,185,013,316,054,155,264
  5. Step 5: Solve for x
    x = 9,976,185,013,316,054,155,264/81,616,898,621.70
  6. Step 6: Final answer
    x = 122,231,856,169.35

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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.