Home / 50,485,646.23-69,658,325.72-30,638,971.71

Finding the Fourth Proportional to 50,485,646.23, 69,658,325.72 and 30,638,971.71

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Solution

The fourth proportional to 50,485,646.23, 69,658,325.72 and 30,638,971.71 is: 42,274,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485,646.23 : 69,658,325.72 = 30,638,971.71 : x
  2. Step 2: Convert to fraction form
    50,485,646.23/69,658,325.72 = 30,638,971.71/x
  3. Step 3: Cross multiply
    50,485,646.23x = 69,658,325.72 × 30,638,971.71
  4. Step 4: Simplify right side
    50,485,646.23x = 2,134,259,470,801,528
  5. Step 5: Solve for x
    x = 2,134,259,470,801,528/50,485,646.23
  6. Step 6: Final answer
    x = 42,274,579.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.