Home / 217,248,519.40-325,872,779.10-189,188,434.60

Finding the Fourth Proportional to 217,248,519.40, 325,872,779.10 and 189,188,434.60

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Solution

The fourth proportional to 217,248,519.40, 325,872,779.10 and 189,188,434.60 is: 283,782,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,248,519.40 : 325,872,779.10 = 189,188,434.60 : x
  2. Step 2: Convert to fraction form
    217,248,519.40/325,872,779.10 = 189,188,434.60/x
  3. Step 3: Cross multiply
    217,248,519.40x = 325,872,779.10 × 189,188,434.60
  4. Step 4: Simplify right side
    217,248,519.40x = 61,651,360,956,680,600
  5. Step 5: Solve for x
    x = 61,651,360,956,680,600/217,248,519.40
  6. Step 6: Final answer
    x = 283,782,651.90

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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.