Home / 120,303,877.80-166,015,055.80-68,091,792.48

Finding the Fourth Proportional to 120,303,877.80, 166,015,055.80 and 68,091,792.48

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Solution

The fourth proportional to 120,303,877.80, 166,015,055.80 and 68,091,792.48 is: 93,964,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303,877.80 : 166,015,055.80 = 68,091,792.48 : x
  2. Step 2: Convert to fraction form
    120,303,877.80/166,015,055.80 = 68,091,792.48/x
  3. Step 3: Cross multiply
    120,303,877.80x = 166,015,055.80 × 68,091,792.48
  4. Step 4: Simplify right side
    120,303,877.80x = 11,304,262,728,089,222
  5. Step 5: Solve for x
    x = 11,304,262,728,089,222/120,303,877.80
  6. Step 6: Final answer
    x = 93,964,242.34

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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.