Home / 86,668,667,396.10-119,178,638,321.35-75,217,355,520.37

Finding the Fourth Proportional to 86,668,667,396.10, 119,178,638,321.35 and 75,217,355,520.37

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Solution

The fourth proportional to 86,668,667,396.10, 119,178,638,321.35 and 75,217,355,520.37 is: 103,431,866,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,668,667,396.10 : 119,178,638,321.35 = 75,217,355,520.37 : x
  2. Step 2: Convert to fraction form
    86,668,667,396.10/119,178,638,321.35 = 75,217,355,520.37/x
  3. Step 3: Cross multiply
    86,668,667,396.10x = 119,178,638,321.35 × 75,217,355,520.37
  4. Step 4: Simplify right side
    86,668,667,396.10x = 8,964,302,009,050,336,329,728
  5. Step 5: Solve for x
    x = 8,964,302,009,050,336,329,728/86,668,667,396.10
  6. Step 6: Final answer
    x = 103,431,866,190.82

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1.5x scale

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.