Home / 142,080,228.30-213,120,342.45-142,080,228.30

Finding the Fourth Proportional to 142,080,228.30, 213,120,342.45 and 142,080,228.30

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Solution

The fourth proportional to 142,080,228.30, 213,120,342.45 and 142,080,228.30 is: 213,120,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,080,228.30 : 213,120,342.45 = 142,080,228.30 : x
  2. Step 2: Convert to fraction form
    142,080,228.30/213,120,342.45 = 142,080,228.30/x
  3. Step 3: Cross multiply
    142,080,228.30x = 213,120,342.45 × 142,080,228.30
  4. Step 4: Simplify right side
    142,080,228.30x = 30,280,186,910,670,184
  5. Step 5: Solve for x
    x = 30,280,186,910,670,184/142,080,228.30
  6. Step 6: Final answer
    x = 213,120,342.45

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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.