Home / 115,877,999.80-173,949,710.10-68,035,900.60

Finding the Fourth Proportional to 115,877,999.80, 173,949,710.10 and 68,035,900.60

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Solution

The fourth proportional to 115,877,999.80, 173,949,710.10 and 68,035,900.60 is: 102,131,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,877,999.80 : 173,949,710.10 = 68,035,900.60 : x
  2. Step 2: Convert to fraction form
    115,877,999.80/173,949,710.10 = 68,035,900.60/x
  3. Step 3: Cross multiply
    115,877,999.80x = 173,949,710.10 × 68,035,900.60
  4. Step 4: Simplify right side
    115,877,999.80x = 11,834,825,185,762,414
  5. Step 5: Solve for x
    x = 11,834,825,185,762,414/115,877,999.80
  6. Step 6: Final answer
    x = 102,131,769.67

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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.