Home / 126,511,290.60-189,640,964.70-58,234,900.20

Finding the Fourth Proportional to 126,511,290.60, 189,640,964.70 and 58,234,900.20

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Solution

The fourth proportional to 126,511,290.60, 189,640,964.70 and 58,234,900.20 is: 87,294,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,511,290.60 : 189,640,964.70 = 58,234,900.20 : x
  2. Step 2: Convert to fraction form
    126,511,290.60/189,640,964.70 = 58,234,900.20/x
  3. Step 3: Cross multiply
    126,511,290.60x = 189,640,964.70 × 58,234,900.20
  4. Step 4: Simplify right side
    126,511,290.60x = 11,043,722,653,136,222
  5. Step 5: Solve for x
    x = 11,043,722,653,136,222/126,511,290.60
  6. Step 6: Final answer
    x = 87,294,364.01

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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.