Home / 218,311,409.60-327,467,114.40-103,520,153.60

Finding the Fourth Proportional to 218,311,409.60, 327,467,114.40 and 103,520,153.60

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Solution

The fourth proportional to 218,311,409.60, 327,467,114.40 and 103,520,153.60 is: 155,280,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,311,409.60 : 327,467,114.40 = 103,520,153.60 : x
  2. Step 2: Convert to fraction form
    218,311,409.60/327,467,114.40 = 103,520,153.60/x
  3. Step 3: Cross multiply
    218,311,409.60x = 327,467,114.40 × 103,520,153.60
  4. Step 4: Simplify right side
    218,311,409.60x = 33,899,445,981,636,768
  5. Step 5: Solve for x
    x = 33,899,445,981,636,768/218,311,409.60
  6. Step 6: Final answer
    x = 155,280,230.40

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1.5x scale

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.