Home / 123,341,669.12-185,023,919.80-40,343,892.80

Finding the Fourth Proportional to 123,341,669.12, 185,023,919.80 and 40,343,892.80

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Solution

The fourth proportional to 123,341,669.12, 185,023,919.80 and 40,343,892.80 is: 60,519,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,341,669.12 : 185,023,919.80 = 40,343,892.80 : x
  2. Step 2: Convert to fraction form
    123,341,669.12/185,023,919.80 = 40,343,892.80/x
  3. Step 3: Cross multiply
    123,341,669.12x = 185,023,919.80 × 40,343,892.80
  4. Step 4: Simplify right side
    123,341,669.12x = 7,464,585,185,846,997
  5. Step 5: Solve for x
    x = 7,464,585,185,846,997/123,341,669.12
  6. Step 6: Final answer
    x = 60,519,573.30

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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.