Home / 373,248,394.20-559,704,629.70-143,141,002.20

Finding the Fourth Proportional to 373,248,394.20, 559,704,629.70 and 143,141,002.20

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Solution

The fourth proportional to 373,248,394.20, 559,704,629.70 and 143,141,002.20 is: 214,647,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,394.20 : 559,704,629.70 = 143,141,002.20 : x
  2. Step 2: Convert to fraction form
    373,248,394.20/559,704,629.70 = 143,141,002.20/x
  3. Step 3: Cross multiply
    373,248,394.20x = 559,704,629.70 × 143,141,002.20
  4. Step 4: Simplify right side
    373,248,394.20x = 80,116,681,631,237,888
  5. Step 5: Solve for x
    x = 80,116,681,631,237,888/373,248,394.20
  6. Step 6: Final answer
    x = 214,647,089.92

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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.