Home / 108,648,112.20-162,972,168.30-74,210,735.40

Finding the Fourth Proportional to 108,648,112.20, 162,972,168.30 and 74,210,735.40

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Solution

The fourth proportional to 108,648,112.20, 162,972,168.30 and 74,210,735.40 is: 111,316,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,648,112.20 : 162,972,168.30 = 74,210,735.40 : x
  2. Step 2: Convert to fraction form
    108,648,112.20/162,972,168.30 = 74,210,735.40/x
  3. Step 3: Cross multiply
    108,648,112.20x = 162,972,168.30 × 74,210,735.40
  4. Step 4: Simplify right side
    108,648,112.20x = 12,094,284,459,275,570
  5. Step 5: Solve for x
    x = 12,094,284,459,275,570/108,648,112.20
  6. Step 6: Final answer
    x = 111,316,103.10

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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.