Home / 70,497,526.90-105,741,298.33-18,680,982.30

Finding the Fourth Proportional to 70,497,526.90, 105,741,298.33 and 18,680,982.30

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Solution

The fourth proportional to 70,497,526.90, 105,741,298.33 and 18,680,982.30 is: 28,020,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,497,526.90 : 105,741,298.33 = 18,680,982.30 : x
  2. Step 2: Convert to fraction form
    70,497,526.90/105,741,298.33 = 18,680,982.30/x
  3. Step 3: Cross multiply
    70,497,526.90x = 105,741,298.33 × 18,680,982.30
  4. Step 4: Simplify right side
    70,497,526.90x = 1,975,351,322,481,749.50
  5. Step 5: Solve for x
    x = 1,975,351,322,481,749.50/70,497,526.90
  6. Step 6: Final answer
    x = 28,020,150.63

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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.