Home / 99,651,927.70-149,477,891.55-83,496,121.30

Finding the Fourth Proportional to 99,651,927.70, 149,477,891.55 and 83,496,121.30

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Solution

The fourth proportional to 99,651,927.70, 149,477,891.55 and 83,496,121.30 is: 125,244,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,927.70 : 149,477,891.55 = 83,496,121.30 : x
  2. Step 2: Convert to fraction form
    99,651,927.70/149,477,891.55 = 83,496,121.30/x
  3. Step 3: Cross multiply
    99,651,927.70x = 149,477,891.55 × 83,496,121.30
  4. Step 4: Simplify right side
    99,651,927.70x = 12,480,824,164,527,046
  5. Step 5: Solve for x
    x = 12,480,824,164,527,046/99,651,927.70
  6. Step 6: Final answer
    x = 125,244,181.95

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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.