Home / 120,924,768,608.40-181,387,152,912.60-68,681,992,544.40

Finding the Fourth Proportional to 120,924,768,608.40, 181,387,152,912.60 and 68,681,992,544.40

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Solution

The fourth proportional to 120,924,768,608.40, 181,387,152,912.60 and 68,681,992,544.40 is: 103,022,988,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,924,768,608.40 : 181,387,152,912.60 = 68,681,992,544.40 : x
  2. Step 2: Convert to fraction form
    120,924,768,608.40/181,387,152,912.60 = 68,681,992,544.40/x
  3. Step 3: Cross multiply
    120,924,768,608.40x = 181,387,152,912.60 × 68,681,992,544.40
  4. Step 4: Simplify right side
    120,924,768,608.40x = 12,458,031,083,993,136,365,568
  5. Step 5: Solve for x
    x = 12,458,031,083,993,136,365,568/120,924,768,608.40
  6. Step 6: Final answer
    x = 103,022,988,816.60

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1.5x scale

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.