Home / 213,295,501.60-319,943,252.40-196,667,303.20

Finding the Fourth Proportional to 213,295,501.60, 319,943,252.40 and 196,667,303.20

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Solution

The fourth proportional to 213,295,501.60, 319,943,252.40 and 196,667,303.20 is: 295,000,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,295,501.60 : 319,943,252.40 = 196,667,303.20 : x
  2. Step 2: Convert to fraction form
    213,295,501.60/319,943,252.40 = 196,667,303.20/x
  3. Step 3: Cross multiply
    213,295,501.60x = 319,943,252.40 × 196,667,303.20
  4. Step 4: Simplify right side
    213,295,501.60x = 62,922,376,626,544,920
  5. Step 5: Solve for x
    x = 62,922,376,626,544,920/213,295,501.60
  6. Step 6: Final answer
    x = 295,000,954.80

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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.