Home / 156,623,801.40-234,935,702.10-133,445,100.60

Finding the Fourth Proportional to 156,623,801.40, 234,935,702.10 and 133,445,100.60

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Solution

The fourth proportional to 156,623,801.40, 234,935,702.10 and 133,445,100.60 is: 200,167,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,623,801.40 : 234,935,702.10 = 133,445,100.60 : x
  2. Step 2: Convert to fraction form
    156,623,801.40/234,935,702.10 = 133,445,100.60/x
  3. Step 3: Cross multiply
    156,623,801.40x = 234,935,702.10 × 133,445,100.60
  4. Step 4: Simplify right side
    156,623,801.40x = 31,351,018,401,266,128
  5. Step 5: Solve for x
    x = 31,351,018,401,266,128/156,623,801.40
  6. Step 6: Final answer
    x = 200,167,650.90

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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.