Home / 66,734,201.40-100,101,302.10-21,300,588.60

Finding the Fourth Proportional to 66,734,201.40, 100,101,302.10 and 21,300,588.60

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Solution

The fourth proportional to 66,734,201.40, 100,101,302.10 and 21,300,588.60 is: 31,950,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,201.40 : 100,101,302.10 = 21,300,588.60 : x
  2. Step 2: Convert to fraction form
    66,734,201.40/100,101,302.10 = 21,300,588.60/x
  3. Step 3: Cross multiply
    66,734,201.40x = 100,101,302.10 × 21,300,588.60
  4. Step 4: Simplify right side
    66,734,201.40x = 2,132,216,654,356,416
  5. Step 5: Solve for x
    x = 2,132,216,654,356,416/66,734,201.40
  6. Step 6: Final answer
    x = 31,950,882.90

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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.