Home / 133,450,874.74-200,206,496.30-72,038,715.30

Finding the Fourth Proportional to 133,450,874.74, 200,206,496.30 and 72,038,715.30

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Solution

The fourth proportional to 133,450,874.74, 200,206,496.30 and 72,038,715.30 is: 108,074,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,450,874.74 : 200,206,496.30 = 72,038,715.30 : x
  2. Step 2: Convert to fraction form
    133,450,874.74/200,206,496.30 = 72,038,715.30/x
  3. Step 3: Cross multiply
    133,450,874.74x = 200,206,496.30 × 72,038,715.30
  4. Step 4: Simplify right side
    133,450,874.74x = 14,422,618,788,346,300
  5. Step 5: Solve for x
    x = 14,422,618,788,346,300/133,450,874.74
  6. Step 6: Final answer
    x = 108,074,366.82

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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.