Home / 105,611,196.40-158,416,794.60-102,084,002.80

Finding the Fourth Proportional to 105,611,196.40, 158,416,794.60 and 102,084,002.80

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Solution

The fourth proportional to 105,611,196.40, 158,416,794.60 and 102,084,002.80 is: 153,126,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,611,196.40 : 158,416,794.60 = 102,084,002.80 : x
  2. Step 2: Convert to fraction form
    105,611,196.40/158,416,794.60 = 102,084,002.80/x
  3. Step 3: Cross multiply
    105,611,196.40x = 158,416,794.60 × 102,084,002.80
  4. Step 4: Simplify right side
    105,611,196.40x = 16,171,820,503,513,424
  5. Step 5: Solve for x
    x = 16,171,820,503,513,424/105,611,196.40
  6. Step 6: Final answer
    x = 153,126,004.20

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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.