Home / 142,475,888.33-196,617,453.80-80,594,898.29

Finding the Fourth Proportional to 142,475,888.33, 196,617,453.80 and 80,594,898.29

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Solution

The fourth proportional to 142,475,888.33, 196,617,453.80 and 80,594,898.29 is: 111,221,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,475,888.33 : 196,617,453.80 = 80,594,898.29 : x
  2. Step 2: Convert to fraction form
    142,475,888.33/196,617,453.80 = 80,594,898.29/x
  3. Step 3: Cross multiply
    142,475,888.33x = 196,617,453.80 × 80,594,898.29
  4. Step 4: Simplify right side
    142,475,888.33x = 15,846,363,689,663,710
  5. Step 5: Solve for x
    x = 15,846,363,689,663,710/142,475,888.33
  6. Step 6: Final answer
    x = 111,221,371.39

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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.