Home / 156,621,809.40-234,932,714.10-133,443,108.60

Finding the Fourth Proportional to 156,621,809.40, 234,932,714.10 and 133,443,108.60

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Solution

The fourth proportional to 156,621,809.40, 234,932,714.10 and 133,443,108.60 is: 200,164,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,621,809.40 : 234,932,714.10 = 133,443,108.60 : x
  2. Step 2: Convert to fraction form
    156,621,809.40/234,932,714.10 = 133,443,108.60/x
  3. Step 3: Cross multiply
    156,621,809.40x = 234,932,714.10 × 133,443,108.60
  4. Step 4: Simplify right side
    156,621,809.40x = 31,350,151,681,339,048
  5. Step 5: Solve for x
    x = 31,350,151,681,339,048/156,621,809.40
  6. Step 6: Final answer
    x = 200,164,662.90

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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.