Home / 142,187,467.80-213,281,201.70-125,748,226.20

Finding the Fourth Proportional to 142,187,467.80, 213,281,201.70 and 125,748,226.20

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Solution

The fourth proportional to 142,187,467.80, 213,281,201.70 and 125,748,226.20 is: 188,622,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,187,467.80 : 213,281,201.70 = 125,748,226.20 : x
  2. Step 2: Convert to fraction form
    142,187,467.80/213,281,201.70 = 125,748,226.20/x
  3. Step 3: Cross multiply
    142,187,467.80x = 213,281,201.70 × 125,748,226.20
  4. Step 4: Simplify right side
    142,187,467.80x = 26,819,732,795,579,424
  5. Step 5: Solve for x
    x = 26,819,732,795,579,424/142,187,467.80
  6. Step 6: Final answer
    x = 188,622,339.30

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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.