Home / 173,869,376.40-260,804,064.60-112,647,373.20

Finding the Fourth Proportional to 173,869,376.40, 260,804,064.60 and 112,647,373.20

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Solution

The fourth proportional to 173,869,376.40, 260,804,064.60 and 112,647,373.20 is: 168,971,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,869,376.40 : 260,804,064.60 = 112,647,373.20 : x
  2. Step 2: Convert to fraction form
    173,869,376.40/260,804,064.60 = 112,647,373.20/x
  3. Step 3: Cross multiply
    173,869,376.40x = 260,804,064.60 × 112,647,373.20
  4. Step 4: Simplify right side
    173,869,376.40x = 29,378,892,797,073,108
  5. Step 5: Solve for x
    x = 29,378,892,797,073,108/173,869,376.40
  6. Step 6: Final answer
    x = 168,971,059.80

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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.