Home / 108,872,393,344.20-163,308,590,016.30-90,276,209,872.20

Finding the Fourth Proportional to 108,872,393,344.20, 163,308,590,016.30 and 90,276,209,872.20

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Solution

The fourth proportional to 108,872,393,344.20, 163,308,590,016.30 and 90,276,209,872.20 is: 135,414,314,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,393,344.20 : 163,308,590,016.30 = 90,276,209,872.20 : x
  2. Step 2: Convert to fraction form
    108,872,393,344.20/163,308,590,016.30 = 90,276,209,872.20/x
  3. Step 3: Cross multiply
    108,872,393,344.20x = 163,308,590,016.30 × 90,276,209,872.20
  4. Step 4: Simplify right side
    108,872,393,344.20x = 14,742,880,546,244,563,828,736
  5. Step 5: Solve for x
    x = 14,742,880,546,244,563,828,736/108,872,393,344.20
  6. Step 6: Final answer
    x = 135,414,314,808.30

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Double scale
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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.