Home / 342,363,739.69-513,226,121.13-135,103,866.64

Finding the Fourth Proportional to 342,363,739.69, 513,226,121.13 and 135,103,866.64

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Solution

The fourth proportional to 342,363,739.69, 513,226,121.13 and 135,103,866.64 is: 202,529,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,363,739.69 : 513,226,121.13 = 135,103,866.64 : x
  2. Step 2: Convert to fraction form
    342,363,739.69/513,226,121.13 = 135,103,866.64/x
  3. Step 3: Cross multiply
    342,363,739.69x = 513,226,121.13 × 135,103,866.64
  4. Step 4: Simplify right side
    342,363,739.69x = 69,338,833,425,312,000
  5. Step 5: Solve for x
    x = 69,338,833,425,312,000/342,363,739.69
  6. Step 6: Final answer
    x = 202,529,723.18

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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.