Home / 70,582,433.60-105,873,650.40-18,766,936.10

Finding the Fourth Proportional to 70,582,433.60, 105,873,650.40 and 18,766,936.10

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Solution

The fourth proportional to 70,582,433.60, 105,873,650.40 and 18,766,936.10 is: 28,150,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,582,433.60 : 105,873,650.40 = 18,766,936.10 : x
  2. Step 2: Convert to fraction form
    70,582,433.60/105,873,650.40 = 18,766,936.10/x
  3. Step 3: Cross multiply
    70,582,433.60x = 105,873,650.40 × 18,766,936.10
  4. Step 4: Simplify right side
    70,582,433.60x = 1,986,924,031,730,539.75
  5. Step 5: Solve for x
    x = 1,986,924,031,730,539.75/70,582,433.60
  6. Step 6: Final answer
    x = 28,150,404.15

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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.