Home / 108,869,104.80-163,303,657.20-28,090,072.80

Finding the Fourth Proportional to 108,869,104.80, 163,303,657.20 and 28,090,072.80

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Solution

The fourth proportional to 108,869,104.80, 163,303,657.20 and 28,090,072.80 is: 42,135,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869,104.80 : 163,303,657.20 = 28,090,072.80 : x
  2. Step 2: Convert to fraction form
    108,869,104.80/163,303,657.20 = 28,090,072.80/x
  3. Step 3: Cross multiply
    108,869,104.80x = 163,303,657.20 × 28,090,072.80
  4. Step 4: Simplify right side
    108,869,104.80x = 4,587,211,619,254,244
  5. Step 5: Solve for x
    x = 4,587,211,619,254,244/108,869,104.80
  6. Step 6: Final answer
    x = 42,135,109.20

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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.