Home / 133,383,294.44-200,303,906-81,870,386.20

Finding the Fourth Proportional to 133,383,294.44, 200,303,906 and 81,870,386.20

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Solution

The fourth proportional to 133,383,294.44, 200,303,906 and 81,870,386.20 is: 122,946,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,383,294.44 : 200,303,906 = 81,870,386.20 : x
  2. Step 2: Convert to fraction form
    133,383,294.44/200,303,906 = 81,870,386.20/x
  3. Step 3: Cross multiply
    133,383,294.44x = 200,303,906 × 81,870,386.20
  4. Step 4: Simplify right side
    133,383,294.44x = 16,398,958,141,588,498
  5. Step 5: Solve for x
    x = 16,398,958,141,588,498/133,383,294.44
  6. Step 6: Final answer
    x = 122,946,117.13

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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.