Home / 156,623,821.40-234,935,732.10-133,445,120.60

Finding the Fourth Proportional to 156,623,821.40, 234,935,732.10 and 133,445,120.60

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Solution

The fourth proportional to 156,623,821.40, 234,935,732.10 and 133,445,120.60 is: 200,167,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,623,821.40 : 234,935,732.10 = 133,445,120.60 : x
  2. Step 2: Convert to fraction form
    156,623,821.40/234,935,732.10 = 133,445,120.60/x
  3. Step 3: Cross multiply
    156,623,821.40x = 234,935,732.10 × 133,445,120.60
  4. Step 4: Simplify right side
    156,623,821.40x = 31,351,027,103,333,788
  5. Step 5: Solve for x
    x = 31,351,027,103,333,788/156,623,821.40
  6. Step 6: Final answer
    x = 200,167,680.90

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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.