Home / 30,328,470.40-45,492,705.60-27,305,161.60

Finding the Fourth Proportional to 30,328,470.40, 45,492,705.60 and 27,305,161.60

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Solution

The fourth proportional to 30,328,470.40, 45,492,705.60 and 27,305,161.60 is: 40,957,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328,470.40 : 45,492,705.60 = 27,305,161.60 : x
  2. Step 2: Convert to fraction form
    30,328,470.40/45,492,705.60 = 27,305,161.60/x
  3. Step 3: Cross multiply
    30,328,470.40x = 45,492,705.60 × 27,305,161.60
  4. Step 4: Simplify right side
    30,328,470.40x = 1,242,185,678,029,225
  5. Step 5: Solve for x
    x = 1,242,185,678,029,225/30,328,470.40
  6. Step 6: Final answer
    x = 40,957,742.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.