Home / 57,154,344.96-78,873,541.92-31,049,059.08

Finding the Fourth Proportional to 57,154,344.96, 78,873,541.92 and 31,049,059.08

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Solution

The fourth proportional to 57,154,344.96, 78,873,541.92 and 31,049,059.08 is: 42,847,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,154,344.96 : 78,873,541.92 = 31,049,059.08 : x
  2. Step 2: Convert to fraction form
    57,154,344.96/78,873,541.92 = 31,049,059.08/x
  3. Step 3: Cross multiply
    57,154,344.96x = 78,873,541.92 × 31,049,059.08
  4. Step 4: Simplify right side
    57,154,344.96x = 2,448,949,262,922,936.50
  5. Step 5: Solve for x
    x = 2,448,949,262,922,936.50/57,154,344.96
  6. Step 6: Final answer
    x = 42,847,998.08

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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.