Home / 66,029,329.68-91,123,320.78-36,660,666.18

Finding the Fourth Proportional to 66,029,329.68, 91,123,320.78 and 36,660,666.18

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Solution

The fourth proportional to 66,029,329.68, 91,123,320.78 and 36,660,666.18 is: 50,593,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,029,329.68 : 91,123,320.78 = 36,660,666.18 : x
  2. Step 2: Convert to fraction form
    66,029,329.68/91,123,320.78 = 36,660,666.18/x
  3. Step 3: Cross multiply
    66,029,329.68x = 91,123,320.78 × 36,660,666.18
  4. Step 4: Simplify right side
    66,029,329.68x = 3,340,641,644,328,637
  5. Step 5: Solve for x
    x = 3,340,641,644,328,637/66,029,329.68
  6. Step 6: Final answer
    x = 50,593,299.38

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1.5x scale

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.