Home / 210,936,002.79-316,411,179.84-100,214,530.30

Finding the Fourth Proportional to 210,936,002.79, 316,411,179.84 and 100,214,530.30

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Solution

The fourth proportional to 210,936,002.79, 316,411,179.84 and 100,214,530.30 is: 150,325,204.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,936,002.79 : 316,411,179.84 = 100,214,530.30 : x
  2. Step 2: Convert to fraction form
    210,936,002.79/316,411,179.84 = 100,214,530.30/x
  3. Step 3: Cross multiply
    210,936,002.79x = 316,411,179.84 × 100,214,530.30
  4. Step 4: Simplify right side
    210,936,002.79x = 31,708,997,769,334,424
  5. Step 5: Solve for x
    x = 31,708,997,769,334,424/210,936,002.79
  6. Step 6: Final answer
    x = 150,325,204.56

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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.