Home / 81,112,440.96-111,939,651-46,316,308.68

Finding the Fourth Proportional to 81,112,440.96, 111,939,651 and 46,316,308.68

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Solution

The fourth proportional to 81,112,440.96, 111,939,651 and 46,316,308.68 is: 63,919,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,112,440.96 : 111,939,651 = 46,316,308.68 : x
  2. Step 2: Convert to fraction form
    81,112,440.96/111,939,651 = 46,316,308.68/x
  3. Step 3: Cross multiply
    81,112,440.96x = 111,939,651 × 46,316,308.68
  4. Step 4: Simplify right side
    81,112,440.96x = 5,184,631,429,247,471
  5. Step 5: Solve for x
    x = 5,184,631,429,247,471/81,112,440.96
  6. Step 6: Final answer
    x = 63,919,065.53

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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.