Home / 81,510,903.52-112,485,975.60-46,702,895.20

Finding the Fourth Proportional to 81,510,903.52, 112,485,975.60 and 46,702,895.20

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Solution

The fourth proportional to 81,510,903.52, 112,485,975.60 and 46,702,895.20 is: 64,450,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,510,903.52 : 112,485,975.60 = 46,702,895.20 : x
  2. Step 2: Convert to fraction form
    81,510,903.52/112,485,975.60 = 46,702,895.20/x
  3. Step 3: Cross multiply
    81,510,903.52x = 112,485,975.60 × 46,702,895.20
  4. Step 4: Simplify right side
    81,510,903.52x = 5,253,420,729,916,557
  5. Step 5: Solve for x
    x = 5,253,420,729,916,557/81,510,903.52
  6. Step 6: Final answer
    x = 64,450,527.51

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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.