Home / 219,390,690.44-328,990,364.44-82,980,414.56

Finding the Fourth Proportional to 219,390,690.44, 328,990,364.44 and 82,980,414.56

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Solution

The fourth proportional to 219,390,690.44, 328,990,364.44 and 82,980,414.56 is: 124,434,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,390,690.44 : 328,990,364.44 = 82,980,414.56 : x
  2. Step 2: Convert to fraction form
    219,390,690.44/328,990,364.44 = 82,980,414.56/x
  3. Step 3: Cross multiply
    219,390,690.44x = 328,990,364.44 × 82,980,414.56
  4. Step 4: Simplify right side
    219,390,690.44x = 27,299,756,828,091,708
  5. Step 5: Solve for x
    x = 27,299,756,828,091,708/219,390,690.44
  6. Step 6: Final answer
    x = 124,434,436.00

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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.