Home / 409,464,074.20-614,196,114.20-136,834,841.56

Finding the Fourth Proportional to 409,464,074.20, 614,196,114.20 and 136,834,841.56

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Solution

The fourth proportional to 409,464,074.20, 614,196,114.20 and 136,834,841.56 is: 205,252,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,464,074.20 : 614,196,114.20 = 136,834,841.56 : x
  2. Step 2: Convert to fraction form
    409,464,074.20/614,196,114.20 = 136,834,841.56/x
  3. Step 3: Cross multiply
    409,464,074.20x = 614,196,114.20 × 136,834,841.56
  4. Step 4: Simplify right side
    409,464,074.20x = 84,043,427,973,324,672
  5. Step 5: Solve for x
    x = 84,043,427,973,324,672/409,464,074.20
  6. Step 6: Final answer
    x = 205,252,263.31

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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.