Home / 315,128,438.26-434,949,804.21-184,790,236.66

Finding the Fourth Proportional to 315,128,438.26, 434,949,804.21 and 184,790,236.66

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Solution

The fourth proportional to 315,128,438.26, 434,949,804.21 and 184,790,236.66 is: 255,053,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,128,438.26 : 434,949,804.21 = 184,790,236.66 : x
  2. Step 2: Convert to fraction form
    315,128,438.26/434,949,804.21 = 184,790,236.66/x
  3. Step 3: Cross multiply
    315,128,438.26x = 434,949,804.21 × 184,790,236.66
  4. Step 4: Simplify right side
    315,128,438.26x = 80,374,477,255,186,560
  5. Step 5: Solve for x
    x = 80,374,477,255,186,560/315,128,438.26
  6. Step 6: Final answer
    x = 255,053,075.18

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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.