Home / 70,497,528.90-105,741,301.33-18,680,984.30

Finding the Fourth Proportional to 70,497,528.90, 105,741,301.33 and 18,680,984.30

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Solution

The fourth proportional to 70,497,528.90, 105,741,301.33 and 18,680,984.30 is: 28,020,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,497,528.90 : 105,741,301.33 = 18,680,984.30 : x
  2. Step 2: Convert to fraction form
    70,497,528.90/105,741,301.33 = 18,680,984.30/x
  3. Step 3: Cross multiply
    70,497,528.90x = 105,741,301.33 × 18,680,984.30
  4. Step 4: Simplify right side
    70,497,528.90x = 1,975,351,590,007,299.25
  5. Step 5: Solve for x
    x = 1,975,351,590,007,299.25/70,497,528.90
  6. Step 6: Final answer
    x = 28,020,153.63

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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.