Home / 108,911,748.80-163,367,623.20-108,274,019.60

Finding the Fourth Proportional to 108,911,748.80, 163,367,623.20 and 108,274,019.60

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Solution

The fourth proportional to 108,911,748.80, 163,367,623.20 and 108,274,019.60 is: 162,411,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,911,748.80 : 163,367,623.20 = 108,274,019.60 : x
  2. Step 2: Convert to fraction form
    108,911,748.80/163,367,623.20 = 108,274,019.60/x
  3. Step 3: Cross multiply
    108,911,748.80x = 163,367,623.20 × 108,274,019.60
  4. Step 4: Simplify right side
    108,911,748.80x = 17,688,469,236,362,212
  5. Step 5: Solve for x
    x = 17,688,469,236,362,212/108,911,748.80
  6. Step 6: Final answer
    x = 162,411,029.40

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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.