Home / 89,173,815.80-133,760,723.70-53,342,007.80

Finding the Fourth Proportional to 89,173,815.80, 133,760,723.70 and 53,342,007.80

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Solution

The fourth proportional to 89,173,815.80, 133,760,723.70 and 53,342,007.80 is: 80,013,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,173,815.80 : 133,760,723.70 = 53,342,007.80 : x
  2. Step 2: Convert to fraction form
    89,173,815.80/133,760,723.70 = 53,342,007.80/x
  3. Step 3: Cross multiply
    89,173,815.80x = 133,760,723.70 × 53,342,007.80
  4. Step 4: Simplify right side
    89,173,815.80x = 7,135,065,566,939,045
  5. Step 5: Solve for x
    x = 7,135,065,566,939,045/89,173,815.80
  6. Step 6: Final answer
    x = 80,013,011.70

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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.