Home / 289,301,271.37-399,268,872.88-162,176,284.65

Finding the Fourth Proportional to 289,301,271.37, 399,268,872.88 and 162,176,284.65

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Solution

The fourth proportional to 289,301,271.37, 399,268,872.88 and 162,176,284.65 is: 223,821,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,301,271.37 : 399,268,872.88 = 162,176,284.65 : x
  2. Step 2: Convert to fraction form
    289,301,271.37/399,268,872.88 = 162,176,284.65/x
  3. Step 3: Cross multiply
    289,301,271.37x = 399,268,872.88 × 162,176,284.65
  4. Step 4: Simplify right side
    289,301,271.37x = 64,751,942,381,163,360
  5. Step 5: Solve for x
    x = 64,751,942,381,163,360/289,301,271.37
  6. Step 6: Final answer
    x = 223,821,838.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.