Home / 162,221,412.80-223,864,629.79-87,883,427.29

Finding the Fourth Proportional to 162,221,412.80, 223,864,629.79 and 87,883,427.29

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Solution

The fourth proportional to 162,221,412.80, 223,864,629.79 and 87,883,427.29 is: 121,278,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,221,412.80 : 223,864,629.79 = 87,883,427.29 : x
  2. Step 2: Convert to fraction form
    162,221,412.80/223,864,629.79 = 87,883,427.29/x
  3. Step 3: Cross multiply
    162,221,412.80x = 223,864,629.79 × 87,883,427.29
  4. Step 4: Simplify right side
    162,221,412.80x = 19,673,990,914,952,232
  5. Step 5: Solve for x
    x = 19,673,990,914,952,232/162,221,412.80
  6. Step 6: Final answer
    x = 121,278,631.32

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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.