Home / 315,128,462.32-434,949,837.30-184,790,260.72

Finding the Fourth Proportional to 315,128,462.32, 434,949,837.30 and 184,790,260.72

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Solution

The fourth proportional to 315,128,462.32, 434,949,837.30 and 184,790,260.72 is: 255,053,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,128,462.32 : 434,949,837.30 = 184,790,260.72 : x
  2. Step 2: Convert to fraction form
    315,128,462.32/434,949,837.30 = 184,790,260.72/x
  3. Step 3: Cross multiply
    315,128,462.32x = 434,949,837.30 × 184,790,260.72
  4. Step 4: Simplify right side
    315,128,462.32x = 80,374,493,834,788,576
  5. Step 5: Solve for x
    x = 80,374,493,834,788,576/315,128,462.32
  6. Step 6: Final answer
    x = 255,053,108.32

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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.