Home / 108,860,811.80-163,291,217.70-100,546,712.60

Finding the Fourth Proportional to 108,860,811.80, 163,291,217.70 and 100,546,712.60

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Solution

The fourth proportional to 108,860,811.80, 163,291,217.70 and 100,546,712.60 is: 150,820,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,860,811.80 : 163,291,217.70 = 100,546,712.60 : x
  2. Step 2: Convert to fraction form
    108,860,811.80/163,291,217.70 = 100,546,712.60/x
  3. Step 3: Cross multiply
    108,860,811.80x = 163,291,217.70 × 100,546,712.60
  4. Step 4: Simplify right side
    108,860,811.80x = 16,418,395,136,185,930
  5. Step 5: Solve for x
    x = 16,418,395,136,185,930/108,860,811.80
  6. Step 6: Final answer
    x = 150,820,068.90

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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.