Home / 112,647,671.60-168,668,773.62-71,484,244.65

Finding the Fourth Proportional to 112,647,671.60, 168,668,773.62 and 71,484,244.65

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Solution

The fourth proportional to 112,647,671.60, 168,668,773.62 and 71,484,244.65 is: 107,034,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,647,671.60 : 168,668,773.62 = 71,484,244.65 : x
  2. Step 2: Convert to fraction form
    112,647,671.60/168,668,773.62 = 71,484,244.65/x
  3. Step 3: Cross multiply
    112,647,671.60x = 168,668,773.62 × 71,484,244.65
  4. Step 4: Simplify right side
    112,647,671.60x = 12,057,159,877,366,972
  5. Step 5: Solve for x
    x = 12,057,159,877,366,972/112,647,671.60
  6. Step 6: Final answer
    x = 107,034,257.40

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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.