Home / 81,112,441.96-111,939,652.38-46,316,309.68

Finding the Fourth Proportional to 81,112,441.96, 111,939,652.38 and 46,316,309.68

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Solution

The fourth proportional to 81,112,441.96, 111,939,652.38 and 46,316,309.68 is: 63,919,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,112,441.96 : 111,939,652.38 = 46,316,309.68 : x
  2. Step 2: Convert to fraction form
    81,112,441.96/111,939,652.38 = 46,316,309.68/x
  3. Step 3: Cross multiply
    81,112,441.96x = 111,939,652.38 × 46,316,309.68
  4. Step 4: Simplify right side
    81,112,441.96x = 5,184,631,605,103,629
  5. Step 5: Solve for x
    x = 5,184,631,605,103,629/81,112,441.96
  6. Step 6: Final answer
    x = 63,919,066.91

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Why These Related Problems?

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