Home / 204,996,871.90-307,495,307.85-189,213,074.20

Finding the Fourth Proportional to 204,996,871.90, 307,495,307.85 and 189,213,074.20

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Solution

The fourth proportional to 204,996,871.90, 307,495,307.85 and 189,213,074.20 is: 283,819,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,996,871.90 : 307,495,307.85 = 189,213,074.20 : x
  2. Step 2: Convert to fraction form
    204,996,871.90/307,495,307.85 = 189,213,074.20/x
  3. Step 3: Cross multiply
    204,996,871.90x = 307,495,307.85 × 189,213,074.20
  4. Step 4: Simplify right side
    204,996,871.90x = 58,182,132,500,373,896
  5. Step 5: Solve for x
    x = 58,182,132,500,373,896/204,996,871.90
  6. Step 6: Final answer
    x = 283,819,611.30

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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.