Home / 70,120,615.20-105,192,225.03-21,598,446.43

Finding the Fourth Proportional to 70,120,615.20, 105,192,225.03 and 21,598,446.43

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Solution

The fourth proportional to 70,120,615.20, 105,192,225.03 and 21,598,446.43 is: 32,401,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,120,615.20 : 105,192,225.03 = 21,598,446.43 : x
  2. Step 2: Convert to fraction form
    70,120,615.20/105,192,225.03 = 21,598,446.43/x
  3. Step 3: Cross multiply
    70,120,615.20x = 105,192,225.03 × 21,598,446.43
  4. Step 4: Simplify right side
    70,120,615.20x = 2,271,988,637,162,960
  5. Step 5: Solve for x
    x = 2,271,988,637,162,960/70,120,615.20
  6. Step 6: Final answer
    x = 32,401,150.94

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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.