Home / 210,975,270.30-316,462,905.45-142,100,516.70

Finding the Fourth Proportional to 210,975,270.30, 316,462,905.45 and 142,100,516.70

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Solution

The fourth proportional to 210,975,270.30, 316,462,905.45 and 142,100,516.70 is: 213,150,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,975,270.30 : 316,462,905.45 = 142,100,516.70 : x
  2. Step 2: Convert to fraction form
    210,975,270.30/316,462,905.45 = 142,100,516.70/x
  3. Step 3: Cross multiply
    210,975,270.30x = 316,462,905.45 × 142,100,516.70
  4. Step 4: Simplify right side
    210,975,270.30x = 44,969,542,380,828,240
  5. Step 5: Solve for x
    x = 44,969,542,380,828,240/210,975,270.30
  6. Step 6: Final answer
    x = 213,150,775.05

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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.