Home / 100,102,457.25-150,098,947.95-79,485,333.48

Finding the Fourth Proportional to 100,102,457.25, 150,098,947.95 and 79,485,333.48

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Solution

The fourth proportional to 100,102,457.25, 150,098,947.95 and 79,485,333.48 is: 119,184,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102,457.25 : 150,098,947.95 = 79,485,333.48 : x
  2. Step 2: Convert to fraction form
    100,102,457.25/150,098,947.95 = 79,485,333.48/x
  3. Step 3: Cross multiply
    100,102,457.25x = 150,098,947.95 × 79,485,333.48
  4. Step 4: Simplify right side
    100,102,457.25x = 11,930,664,932,802,912
  5. Step 5: Solve for x
    x = 11,930,664,932,802,912/100,102,457.25
  6. Step 6: Final answer
    x = 119,184,536.13

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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.