Home / 178,767,121.80-268,150,682.70-97,137,784.20

Finding the Fourth Proportional to 178,767,121.80, 268,150,682.70 and 97,137,784.20

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Solution

The fourth proportional to 178,767,121.80, 268,150,682.70 and 97,137,784.20 is: 145,706,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,767,121.80 : 268,150,682.70 = 97,137,784.20 : x
  2. Step 2: Convert to fraction form
    178,767,121.80/268,150,682.70 = 97,137,784.20/x
  3. Step 3: Cross multiply
    178,767,121.80x = 268,150,682.70 × 97,137,784.20
  4. Step 4: Simplify right side
    178,767,121.80x = 26,047,563,149,195,272
  5. Step 5: Solve for x
    x = 26,047,563,149,195,272/178,767,121.80
  6. Step 6: Final answer
    x = 145,706,676.30

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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.