Home / 133,383,166.67-200,303,714.53-81,870,258.38

Finding the Fourth Proportional to 133,383,166.67, 200,303,714.53 and 81,870,258.38

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Solution

The fourth proportional to 133,383,166.67, 200,303,714.53 and 81,870,258.38 is: 122,945,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,383,166.67 : 200,303,714.53 = 81,870,258.38 : x
  2. Step 2: Convert to fraction form
    133,383,166.67/200,303,714.53 = 81,870,258.38/x
  3. Step 3: Cross multiply
    133,383,166.67x = 200,303,714.53 × 81,870,258.38
  4. Step 4: Simplify right side
    133,383,166.67x = 16,398,916,862,145,680
  5. Step 5: Solve for x
    x = 16,398,916,862,145,680/133,383,166.67
  6. Step 6: Final answer
    x = 122,945,925.42

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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.