Home / 218,271,427.20-327,407,140.80-109,113,445.80

Finding the Fourth Proportional to 218,271,427.20, 327,407,140.80 and 109,113,445.80

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Solution

The fourth proportional to 218,271,427.20, 327,407,140.80 and 109,113,445.80 is: 163,670,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,271,427.20 : 327,407,140.80 = 109,113,445.80 : x
  2. Step 2: Convert to fraction form
    218,271,427.20/327,407,140.80 = 109,113,445.80/x
  3. Step 3: Cross multiply
    218,271,427.20x = 327,407,140.80 × 109,113,445.80
  4. Step 4: Simplify right side
    218,271,427.20x = 35,724,521,312,213,768
  5. Step 5: Solve for x
    x = 35,724,521,312,213,768/218,271,427.20
  6. Step 6: Final answer
    x = 163,670,168.70

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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.