Home / 108,436,165.60-162,780,219.60-65,354,015.20

Finding the Fourth Proportional to 108,436,165.60, 162,780,219.60 and 65,354,015.20

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Solution

The fourth proportional to 108,436,165.60, 162,780,219.60 and 65,354,015.20 is: 98,106,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,436,165.60 : 162,780,219.60 = 65,354,015.20 : x
  2. Step 2: Convert to fraction form
    108,436,165.60/162,780,219.60 = 65,354,015.20/x
  3. Step 3: Cross multiply
    108,436,165.60x = 162,780,219.60 × 65,354,015.20
  4. Step 4: Simplify right side
    108,436,165.60x = 10,638,340,945,997,738
  5. Step 5: Solve for x
    x = 10,638,340,945,997,738/108,436,165.60
  6. Step 6: Final answer
    x = 98,106,945.11

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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.