Home / 122,493,658.20-183,740,487.30-105,865,459.80

Finding the Fourth Proportional to 122,493,658.20, 183,740,487.30 and 105,865,459.80

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Solution

The fourth proportional to 122,493,658.20, 183,740,487.30 and 105,865,459.80 is: 158,798,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,493,658.20 : 183,740,487.30 = 105,865,459.80 : x
  2. Step 2: Convert to fraction form
    122,493,658.20/183,740,487.30 = 105,865,459.80/x
  3. Step 3: Cross multiply
    122,493,658.20x = 183,740,487.30 × 105,865,459.80
  4. Step 4: Simplify right side
    122,493,658.20x = 19,451,771,171,890,560
  5. Step 5: Solve for x
    x = 19,451,771,171,890,560/122,493,658.20
  6. Step 6: Final answer
    x = 158,798,189.70

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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.