Home / 106,997,997.06-147,702,436.47-72,237,770.46

Finding the Fourth Proportional to 106,997,997.06, 147,702,436.47 and 72,237,770.46

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Solution

The fourth proportional to 106,997,997.06, 147,702,436.47 and 72,237,770.46 is: 99,718,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,997,997.06 : 147,702,436.47 = 72,237,770.46 : x
  2. Step 2: Convert to fraction form
    106,997,997.06/147,702,436.47 = 72,237,770.46/x
  3. Step 3: Cross multiply
    106,997,997.06x = 147,702,436.47 × 72,237,770.46
  4. Step 4: Simplify right side
    106,997,997.06x = 10,669,694,702,102,592
  5. Step 5: Solve for x
    x = 10,669,694,702,102,592/106,997,997.06
  6. Step 6: Final answer
    x = 99,718,639.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.