Home / 106,997,998.06-147,702,437.85-72,237,771.46

Finding the Fourth Proportional to 106,997,998.06, 147,702,437.85 and 72,237,771.46

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Solution

The fourth proportional to 106,997,998.06, 147,702,437.85 and 72,237,771.46 is: 99,718,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,997,998.06 : 147,702,437.85 = 72,237,771.46 : x
  2. Step 2: Convert to fraction form
    106,997,998.06/147,702,437.85 = 72,237,771.46/x
  3. Step 3: Cross multiply
    106,997,998.06x = 147,702,437.85 × 72,237,771.46
  4. Step 4: Simplify right side
    106,997,998.06x = 10,669,694,949,493,152
  5. Step 5: Solve for x
    x = 10,669,694,949,493,152/106,997,998.06
  6. Step 6: Final answer
    x = 99,718,640.94

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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.