Home / 121,008,232.80-181,488,729.60-40,229,200.80

Finding the Fourth Proportional to 121,008,232.80, 181,488,729.60 and 40,229,200.80

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Solution

The fourth proportional to 121,008,232.80, 181,488,729.60 and 40,229,200.80 is: 60,335,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,008,232.80 : 181,488,729.60 = 40,229,200.80 : x
  2. Step 2: Convert to fraction form
    121,008,232.80/181,488,729.60 = 40,229,200.80/x
  3. Step 3: Cross multiply
    121,008,232.80x = 181,488,729.60 × 40,229,200.80
  4. Step 4: Simplify right side
    121,008,232.80x = 7,301,146,546,015,303
  5. Step 5: Solve for x
    x = 7,301,146,546,015,303/121,008,232.80
  6. Step 6: Final answer
    x = 60,335,948.86

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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.