Home / 108,872,816.40-163,309,224.60-48,288,542.40

Finding the Fourth Proportional to 108,872,816.40, 163,309,224.60 and 48,288,542.40

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Solution

The fourth proportional to 108,872,816.40, 163,309,224.60 and 48,288,542.40 is: 72,432,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,816.40 : 163,309,224.60 = 48,288,542.40 : x
  2. Step 2: Convert to fraction form
    108,872,816.40/163,309,224.60 = 48,288,542.40/x
  3. Step 3: Cross multiply
    108,872,816.40x = 163,309,224.60 × 48,288,542.40
  4. Step 4: Simplify right side
    108,872,816.40x = 7,885,964,416,408,223
  5. Step 5: Solve for x
    x = 7,885,964,416,408,223/108,872,816.40
  6. Step 6: Final answer
    x = 72,432,813.60

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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.