Home / 108,743,460.40-163,115,190.60-65,745,290.80

Finding the Fourth Proportional to 108,743,460.40, 163,115,190.60 and 65,745,290.80

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Solution

The fourth proportional to 108,743,460.40, 163,115,190.60 and 65,745,290.80 is: 98,617,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,743,460.40 : 163,115,190.60 = 65,745,290.80 : x
  2. Step 2: Convert to fraction form
    108,743,460.40/163,115,190.60 = 65,745,290.80/x
  3. Step 3: Cross multiply
    108,743,460.40x = 163,115,190.60 × 65,745,290.80
  4. Step 4: Simplify right side
    108,743,460.40x = 10,724,055,639,894,426
  5. Step 5: Solve for x
    x = 10,724,055,639,894,426/108,743,460.40
  6. Step 6: Final answer
    x = 98,617,936.20

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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.