Home / 81,028,546.90-111,830,039.13-46,213,256.50

Finding the Fourth Proportional to 81,028,546.90, 111,830,039.13 and 46,213,256.50

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Solution

The fourth proportional to 81,028,546.90, 111,830,039.13 and 46,213,256.50 is: 63,780,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,028,546.90 : 111,830,039.13 = 46,213,256.50 : x
  2. Step 2: Convert to fraction form
    81,028,546.90/111,830,039.13 = 46,213,256.50/x
  3. Step 3: Cross multiply
    81,028,546.90x = 111,830,039.13 × 46,213,256.50
  4. Step 4: Simplify right side
    81,028,546.90x = 5,168,030,282,719,727
  5. Step 5: Solve for x
    x = 5,168,030,282,719,727/81,028,546.90
  6. Step 6: Final answer
    x = 63,780,364.83

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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.