Home / 70,548,614.70-105,822,922.05-18,733,117.20

Finding the Fourth Proportional to 70,548,614.70, 105,822,922.05 and 18,733,117.20

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Solution

The fourth proportional to 70,548,614.70, 105,822,922.05 and 18,733,117.20 is: 28,099,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,548,614.70 : 105,822,922.05 = 18,733,117.20 : x
  2. Step 2: Convert to fraction form
    70,548,614.70/105,822,922.05 = 18,733,117.20/x
  3. Step 3: Cross multiply
    70,548,614.70x = 105,822,922.05 × 18,733,117.20
  4. Step 4: Simplify right side
    70,548,614.70x = 1,982,393,201,209,114.25
  5. Step 5: Solve for x
    x = 1,982,393,201,209,114.25/70,548,614.70
  6. Step 6: Final answer
    x = 28,099,675.80

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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.