Home / 315,562,396.32-435,467,750.40-176,334,302.16

Finding the Fourth Proportional to 315,562,396.32, 435,467,750.40 and 176,334,302.16

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Solution

The fourth proportional to 315,562,396.32, 435,467,750.40 and 176,334,302.16 is: 243,336,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,562,396.32 : 435,467,750.40 = 176,334,302.16 : x
  2. Step 2: Convert to fraction form
    315,562,396.32/435,467,750.40 = 176,334,302.16/x
  3. Step 3: Cross multiply
    315,562,396.32x = 435,467,750.40 × 176,334,302.16
  4. Step 4: Simplify right side
    315,562,396.32x = 76,787,901,879,969,056
  5. Step 5: Solve for x
    x = 76,787,901,879,969,056/315,562,396.32
  6. Step 6: Final answer
    x = 243,336,667.41

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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.