Home / 108,875,999.80-163,313,999.70-28,096,967.80

Finding the Fourth Proportional to 108,875,999.80, 163,313,999.70 and 28,096,967.80

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Solution

The fourth proportional to 108,875,999.80, 163,313,999.70 and 28,096,967.80 is: 42,145,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875,999.80 : 163,313,999.70 = 28,096,967.80 : x
  2. Step 2: Convert to fraction form
    108,875,999.80/163,313,999.70 = 28,096,967.80/x
  3. Step 3: Cross multiply
    108,875,999.80x = 163,313,999.70 × 28,096,967.80
  4. Step 4: Simplify right side
    108,875,999.80x = 4,588,628,190,860,109
  5. Step 5: Solve for x
    x = 4,588,628,190,860,109/108,875,999.80
  6. Step 6: Final answer
    x = 42,145,451.70

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1.5x scale

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.