Home / 210,975,269.80-316,462,904.70-142,100,516.20

Finding the Fourth Proportional to 210,975,269.80, 316,462,904.70 and 142,100,516.20

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Solution

The fourth proportional to 210,975,269.80, 316,462,904.70 and 142,100,516.20 is: 213,150,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,975,269.80 : 316,462,904.70 = 142,100,516.20 : x
  2. Step 2: Convert to fraction form
    210,975,269.80/316,462,904.70 = 142,100,516.20/x
  3. Step 3: Cross multiply
    210,975,269.80x = 316,462,904.70 × 142,100,516.20
  4. Step 4: Simplify right side
    210,975,269.80x = 44,969,542,116,021,400
  5. Step 5: Solve for x
    x = 44,969,542,116,021,400/210,975,269.80
  6. Step 6: Final answer
    x = 213,150,774.30

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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.