Home / 289,656,044.90-434,484,067.35-85,204,787.30

Finding the Fourth Proportional to 289,656,044.90, 434,484,067.35 and 85,204,787.30

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Solution

The fourth proportional to 289,656,044.90, 434,484,067.35 and 85,204,787.30 is: 127,807,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,656,044.90 : 434,484,067.35 = 85,204,787.30 : x
  2. Step 2: Convert to fraction form
    289,656,044.90/434,484,067.35 = 85,204,787.30/x
  3. Step 3: Cross multiply
    289,656,044.90x = 434,484,067.35 × 85,204,787.30
  4. Step 4: Simplify right side
    289,656,044.90x = 37,020,122,543,795,624
  5. Step 5: Solve for x
    x = 37,020,122,543,795,624/289,656,044.90
  6. Step 6: Final answer
    x = 127,807,180.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.