Home / 70,497,528.14-105,741,300.22-18,680,983.56

Finding the Fourth Proportional to 70,497,528.14, 105,741,300.22 and 18,680,983.56

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Solution

The fourth proportional to 70,497,528.14, 105,741,300.22 and 18,680,983.56 is: 28,020,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,497,528.14 : 105,741,300.22 = 18,680,983.56 : x
  2. Step 2: Convert to fraction form
    70,497,528.14/105,741,300.22 = 18,680,983.56/x
  3. Step 3: Cross multiply
    70,497,528.14x = 105,741,300.22 × 18,680,983.56
  4. Step 4: Simplify right side
    70,497,528.14x = 1,975,351,490,976,141.75
  5. Step 5: Solve for x
    x = 1,975,351,490,976,141.75/70,497,528.14
  6. Step 6: Final answer
    x = 28,020,152.52

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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.