Home / 163,137,970.75-225,136,338.98-88,794,937.34

Finding the Fourth Proportional to 163,137,970.75, 225,136,338.98 and 88,794,937.34

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Solution

The fourth proportional to 163,137,970.75, 225,136,338.98 and 88,794,937.34 is: 122,540,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,137,970.75 : 225,136,338.98 = 88,794,937.34 : x
  2. Step 2: Convert to fraction form
    163,137,970.75/225,136,338.98 = 88,794,937.34/x
  3. Step 3: Cross multiply
    163,137,970.75x = 225,136,338.98 × 88,794,937.34
  4. Step 4: Simplify right side
    163,137,970.75x = 19,990,967,112,686,100
  5. Step 5: Solve for x
    x = 19,990,967,112,686,100/163,137,970.75
  6. Step 6: Final answer
    x = 122,540,246.28

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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.