Home / 112,392,030.80-168,504,065.40-61,331,704.40

Finding the Fourth Proportional to 112,392,030.80, 168,504,065.40 and 61,331,704.40

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Solution

The fourth proportional to 112,392,030.80, 168,504,065.40 and 61,331,704.40 is: 91,951,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,392,030.80 : 168,504,065.40 = 61,331,704.40 : x
  2. Step 2: Convert to fraction form
    112,392,030.80/168,504,065.40 = 61,331,704.40/x
  3. Step 3: Cross multiply
    112,392,030.80x = 168,504,065.40 × 61,331,704.40
  4. Step 4: Simplify right side
    112,392,030.80x = 10,334,641,529,311,068
  5. Step 5: Solve for x
    x = 10,334,641,529,311,068/112,392,030.80
  6. Step 6: Final answer
    x = 91,951,728.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.