Home / 106,933,537.50-147,688,647.75-72,269,412.54

Finding the Fourth Proportional to 106,933,537.50, 147,688,647.75 and 72,269,412.54

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Solution

The fourth proportional to 106,933,537.50, 147,688,647.75 and 72,269,412.54 is: 99,813,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,933,537.50 : 147,688,647.75 = 72,269,412.54 : x
  2. Step 2: Convert to fraction form
    106,933,537.50/147,688,647.75 = 72,269,412.54/x
  3. Step 3: Cross multiply
    106,933,537.50x = 147,688,647.75 × 72,269,412.54
  4. Step 4: Simplify right side
    106,933,537.50x = 10,673,371,811,719,494
  5. Step 5: Solve for x
    x = 10,673,371,811,719,494/106,933,537.50
  6. Step 6: Final answer
    x = 99,813,136.84

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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.