Home / 315,128,461.32-434,949,835.92-184,790,259.72

Finding the Fourth Proportional to 315,128,461.32, 434,949,835.92 and 184,790,259.72

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Solution

The fourth proportional to 315,128,461.32, 434,949,835.92 and 184,790,259.72 is: 255,053,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,128,461.32 : 434,949,835.92 = 184,790,259.72 : x
  2. Step 2: Convert to fraction form
    315,128,461.32/434,949,835.92 = 184,790,259.72/x
  3. Step 3: Cross multiply
    315,128,461.32x = 434,949,835.92 × 184,790,259.72
  4. Step 4: Simplify right side
    315,128,461.32x = 80,374,493,144,828,192
  5. Step 5: Solve for x
    x = 80,374,493,144,828,192/315,128,461.32
  6. Step 6: Final answer
    x = 255,053,106.94

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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.