Home / 318,250,526.86-477,375,922.12-143,169,059.06

Finding the Fourth Proportional to 318,250,526.86, 477,375,922.12 and 143,169,059.06

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Solution

The fourth proportional to 318,250,526.86, 477,375,922.12 and 143,169,059.06 is: 214,753,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,250,526.86 : 477,375,922.12 = 143,169,059.06 : x
  2. Step 2: Convert to fraction form
    318,250,526.86/477,375,922.12 = 143,169,059.06/x
  3. Step 3: Cross multiply
    318,250,526.86x = 477,375,922.12 × 143,169,059.06
  4. Step 4: Simplify right side
    318,250,526.86x = 68,345,461,587,820,240
  5. Step 5: Solve for x
    x = 68,345,461,587,820,240/318,250,526.86
  6. Step 6: Final answer
    x = 214,753,647.90

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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.