Home / 108,872,272.40-163,308,408.60-48,287,998.40

Finding the Fourth Proportional to 108,872,272.40, 163,308,408.60 and 48,287,998.40

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Solution

The fourth proportional to 108,872,272.40, 163,308,408.60 and 48,287,998.40 is: 72,431,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,272.40 : 163,308,408.60 = 48,287,998.40 : x
  2. Step 2: Convert to fraction form
    108,872,272.40/163,308,408.60 = 48,287,998.40/x
  3. Step 3: Cross multiply
    108,872,272.40x = 163,308,408.60 × 48,287,998.40
  4. Step 4: Simplify right side
    108,872,272.40x = 7,885,836,173,183,346
  5. Step 5: Solve for x
    x = 7,885,836,173,183,346/108,872,272.40
  6. Step 6: Final answer
    x = 72,431,997.60

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Similar ratio
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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.