Home / 162,164,847.58-223,786,380.48-87,823,698.40

Finding the Fourth Proportional to 162,164,847.58, 223,786,380.48 and 87,823,698.40

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Solution

The fourth proportional to 162,164,847.58, 223,786,380.48 and 87,823,698.40 is: 121,196,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,164,847.58 : 223,786,380.48 = 87,823,698.40 : x
  2. Step 2: Convert to fraction form
    162,164,847.58/223,786,380.48 = 87,823,698.40/x
  3. Step 3: Cross multiply
    162,164,847.58x = 223,786,380.48 × 87,823,698.40
  4. Step 4: Simplify right side
    162,164,847.58x = 19,653,747,585,303,168
  5. Step 5: Solve for x
    x = 19,653,747,585,303,168/162,164,847.58
  6. Step 6: Final answer
    x = 121,196,103.09

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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.