Home / 162,017,019.57-223,584,168.39-87,677,583.62

Finding the Fourth Proportional to 162,017,019.57, 223,584,168.39 and 87,677,583.62

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Solution

The fourth proportional to 162,017,019.57, 223,584,168.39 and 87,677,583.62 is: 120,995,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,017,019.57 : 223,584,168.39 = 87,677,583.62 : x
  2. Step 2: Convert to fraction form
    162,017,019.57/223,584,168.39 = 87,677,583.62/x
  3. Step 3: Cross multiply
    162,017,019.57x = 223,584,168.39 × 87,677,583.62
  4. Step 4: Simplify right side
    162,017,019.57x = 19,603,319,619,004,464
  5. Step 5: Solve for x
    x = 19,603,319,619,004,464/162,017,019.57
  6. Step 6: Final answer
    x = 120,995,434.13

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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.