Home / 203,446,215.66-280,721,741.07-119,830,994.58

Finding the Fourth Proportional to 203,446,215.66, 280,721,741.07 and 119,830,994.58

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Solution

The fourth proportional to 203,446,215.66, 280,721,741.07 and 119,830,994.58 is: 165,346,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,446,215.66 : 280,721,741.07 = 119,830,994.58 : x
  2. Step 2: Convert to fraction form
    203,446,215.66/280,721,741.07 = 119,830,994.58/x
  3. Step 3: Cross multiply
    203,446,215.66x = 280,721,741.07 × 119,830,994.58
  4. Step 4: Simplify right side
    203,446,215.66x = 33,639,165,432,647,332
  5. Step 5: Solve for x
    x = 33,639,165,432,647,332/203,446,215.66
  6. Step 6: Final answer
    x = 165,346,724.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.