Home / 190,845,820.80-286,268,731.20-161,284,579.20

Finding the Fourth Proportional to 190,845,820.80, 286,268,731.20 and 161,284,579.20

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Solution

The fourth proportional to 190,845,820.80, 286,268,731.20 and 161,284,579.20 is: 241,926,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,845,820.80 : 286,268,731.20 = 161,284,579.20 : x
  2. Step 2: Convert to fraction form
    190,845,820.80/286,268,731.20 = 161,284,579.20/x
  3. Step 3: Cross multiply
    190,845,820.80x = 286,268,731.20 × 161,284,579.20
  4. Step 4: Simplify right side
    190,845,820.80x = 46,170,731,849,709,904
  5. Step 5: Solve for x
    x = 46,170,731,849,709,904/190,845,820.80
  6. Step 6: Final answer
    x = 241,926,868.80

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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.