Home / 156,630,830.40-234,946,245.60-133,452,129.60

Finding the Fourth Proportional to 156,630,830.40, 234,946,245.60 and 133,452,129.60

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Solution

The fourth proportional to 156,630,830.40, 234,946,245.60 and 133,452,129.60 is: 200,178,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630,830.40 : 234,946,245.60 = 133,452,129.60 : x
  2. Step 2: Convert to fraction form
    156,630,830.40/234,946,245.60 = 133,452,129.60/x
  3. Step 3: Cross multiply
    156,630,830.40x = 234,946,245.60 × 133,452,129.60
  4. Step 4: Simplify right side
    156,630,830.40x = 31,354,076,816,844,628
  5. Step 5: Solve for x
    x = 31,354,076,816,844,628/156,630,830.40
  6. Step 6: Final answer
    x = 200,178,194.40

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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.