Home / 162,017,020.57-223,584,169.77-87,677,584.62

Finding the Fourth Proportional to 162,017,020.57, 223,584,169.77 and 87,677,584.62

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Solution

The fourth proportional to 162,017,020.57, 223,584,169.77 and 87,677,584.62 is: 120,995,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,017,020.57 : 223,584,169.77 = 87,677,584.62 : x
  2. Step 2: Convert to fraction form
    162,017,020.57/223,584,169.77 = 87,677,584.62/x
  3. Step 3: Cross multiply
    162,017,020.57x = 223,584,169.77 × 87,677,584.62
  4. Step 4: Simplify right side
    162,017,020.57x = 19,603,319,964,701,624
  5. Step 5: Solve for x
    x = 19,603,319,964,701,624/162,017,020.57
  6. Step 6: Final answer
    x = 120,995,435.51

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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.