Home / 107,630,229.60-161,445,344.40-75,381,602.40

Finding the Fourth Proportional to 107,630,229.60, 161,445,344.40 and 75,381,602.40

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Solution

The fourth proportional to 107,630,229.60, 161,445,344.40 and 75,381,602.40 is: 113,072,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,630,229.60 : 161,445,344.40 = 75,381,602.40 : x
  2. Step 2: Convert to fraction form
    107,630,229.60/161,445,344.40 = 75,381,602.40/x
  3. Step 3: Cross multiply
    107,630,229.60x = 161,445,344.40 × 75,381,602.40
  4. Step 4: Simplify right side
    107,630,229.60x = 12,170,008,760,891,868
  5. Step 5: Solve for x
    x = 12,170,008,760,891,868/107,630,229.60
  6. Step 6: Final answer
    x = 113,072,403.60

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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.