Home / 147,768,771.80-221,674,152.90-45,522,147.80

Finding the Fourth Proportional to 147,768,771.80, 221,674,152.90 and 45,522,147.80

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Solution

The fourth proportional to 147,768,771.80, 221,674,152.90 and 45,522,147.80 is: 68,289,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,768,771.80 : 221,674,152.90 = 45,522,147.80 : x
  2. Step 2: Convert to fraction form
    147,768,771.80/221,674,152.90 = 45,522,147.80/x
  3. Step 3: Cross multiply
    147,768,771.80x = 221,674,152.90 × 45,522,147.80
  4. Step 4: Simplify right side
    147,768,771.80x = 10,091,083,551,753,598
  5. Step 5: Solve for x
    x = 10,091,083,551,753,598/147,768,771.80
  6. Step 6: Final answer
    x = 68,289,689.55

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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.