Home / 163,946,022.58-245,767,698.33-81,993,587.32

Finding the Fourth Proportional to 163,946,022.58, 245,767,698.33 and 81,993,587.32

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Solution

The fourth proportional to 163,946,022.58, 245,767,698.33 and 81,993,587.32 is: 122,914,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,946,022.58 : 245,767,698.33 = 81,993,587.32 : x
  2. Step 2: Convert to fraction form
    163,946,022.58/245,767,698.33 = 81,993,587.32/x
  3. Step 3: Cross multiply
    163,946,022.58x = 245,767,698.33 × 81,993,587.32
  4. Step 4: Simplify right side
    163,946,022.58x = 20,151,375,232,534,376
  5. Step 5: Solve for x
    x = 20,151,375,232,534,376/163,946,022.58
  6. Step 6: Final answer
    x = 122,914,694.21

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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.