Home / 85,102,608-127,653,914.88-21,277,200

Finding the Fourth Proportional to 85,102,608, 127,653,914.88 and 21,277,200

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Solution

The fourth proportional to 85,102,608, 127,653,914.88 and 21,277,200 is: 31,915,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,102,608 : 127,653,914.88 = 21,277,200 : x
  2. Step 2: Convert to fraction form
    85,102,608/127,653,914.88 = 21,277,200/x
  3. Step 3: Cross multiply
    85,102,608x = 127,653,914.88 × 21,277,200
  4. Step 4: Simplify right side
    85,102,608x = 2,716,117,877,684,736
  5. Step 5: Solve for x
    x = 2,716,117,877,684,736/85,102,608
  6. Step 6: Final answer
    x = 31,915,800.72

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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.