Home / 203,299,211.80-280,552,152.18-115,209,994.60

Finding the Fourth Proportional to 203,299,211.80, 280,552,152.18 and 115,209,994.60

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Solution

The fourth proportional to 203,299,211.80, 280,552,152.18 and 115,209,994.60 is: 158,989,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,299,211.80 : 280,552,152.18 = 115,209,994.60 : x
  2. Step 2: Convert to fraction form
    203,299,211.80/280,552,152.18 = 115,209,994.60/x
  3. Step 3: Cross multiply
    203,299,211.80x = 280,552,152.18 × 115,209,994.60
  4. Step 4: Simplify right side
    203,299,211.80x = 32,322,411,937,676,176
  5. Step 5: Solve for x
    x = 32,322,411,937,676,176/203,299,211.80
  6. Step 6: Final answer
    x = 158,989,361.80

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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.