Home / 140,147,694.90-210,184,217.55-43,103,214.90

Finding the Fourth Proportional to 140,147,694.90, 210,184,217.55 and 43,103,214.90

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Solution

The fourth proportional to 140,147,694.90, 210,184,217.55 and 43,103,214.90 is: 64,643,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147,694.90 : 210,184,217.55 = 43,103,214.90 : x
  2. Step 2: Convert to fraction form
    140,147,694.90/210,184,217.55 = 43,103,214.90/x
  3. Step 3: Cross multiply
    140,147,694.90x = 210,184,217.55 × 43,103,214.90
  4. Step 4: Simplify right side
    140,147,694.90x = 9,059,615,497,646,002
  5. Step 5: Solve for x
    x = 9,059,615,497,646,002/140,147,694.90
  6. Step 6: Final answer
    x = 64,643,342.90

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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.