Home / 210,975,246.80-316,462,870.20-142,100,493.20

Finding the Fourth Proportional to 210,975,246.80, 316,462,870.20 and 142,100,493.20

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Solution

The fourth proportional to 210,975,246.80, 316,462,870.20 and 142,100,493.20 is: 213,150,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,975,246.80 : 316,462,870.20 = 142,100,493.20 : x
  2. Step 2: Convert to fraction form
    210,975,246.80/316,462,870.20 = 142,100,493.20/x
  3. Step 3: Cross multiply
    210,975,246.80x = 316,462,870.20 × 142,100,493.20
  4. Step 4: Simplify right side
    210,975,246.80x = 44,969,529,934,907,576
  5. Step 5: Solve for x
    x = 44,969,529,934,907,576/210,975,246.80
  6. Step 6: Final answer
    x = 213,150,739.80

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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.