Home / 159,859,620.54-220,611,625.65-97,968,006.54

Finding the Fourth Proportional to 159,859,620.54, 220,611,625.65 and 97,968,006.54

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Solution

The fourth proportional to 159,859,620.54, 220,611,625.65 and 97,968,006.54 is: 135,199,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,859,620.54 : 220,611,625.65 = 97,968,006.54 : x
  2. Step 2: Convert to fraction form
    159,859,620.54/220,611,625.65 = 97,968,006.54/x
  3. Step 3: Cross multiply
    159,859,620.54x = 220,611,625.65 × 97,968,006.54
  4. Step 4: Simplify right side
    159,859,620.54x = 21,612,881,184,479,232
  5. Step 5: Solve for x
    x = 21,612,881,184,479,232/159,859,620.54
  6. Step 6: Final answer
    x = 135,199,127.28

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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.