Home / 143,338,129.91-197,353,573.31-130,246,302.30

Finding the Fourth Proportional to 143,338,129.91, 197,353,573.31 and 130,246,302.30

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Solution

The fourth proportional to 143,338,129.91, 197,353,573.31 and 130,246,302.30 is: 179,328,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,338,129.91 : 197,353,573.31 = 130,246,302.30 : x
  2. Step 2: Convert to fraction form
    143,338,129.91/197,353,573.31 = 130,246,302.30/x
  3. Step 3: Cross multiply
    143,338,129.91x = 197,353,573.31 × 130,246,302.30
  4. Step 4: Simplify right side
    143,338,129.91x = 25,704,573,168,668,240
  5. Step 5: Solve for x
    x = 25,704,573,168,668,240/143,338,129.91
  6. Step 6: Final answer
    x = 179,328,230.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.