Home / 315,184,815.99-434,950,505.73-174,062,007.72

Finding the Fourth Proportional to 315,184,815.99, 434,950,505.73 and 174,062,007.72

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Solution

The fourth proportional to 315,184,815.99, 434,950,505.73 and 174,062,007.72 is: 240,203,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,184,815.99 : 434,950,505.73 = 174,062,007.72 : x
  2. Step 2: Convert to fraction form
    315,184,815.99/434,950,505.73 = 174,062,007.72/x
  3. Step 3: Cross multiply
    315,184,815.99x = 434,950,505.73 × 174,062,007.72
  4. Step 4: Simplify right side
    315,184,815.99x = 75,708,358,286,193,168
  5. Step 5: Solve for x
    x = 75,708,358,286,193,168/315,184,815.99
  6. Step 6: Final answer
    x = 240,203,063.24

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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.