Home / 216,872,362.20-325,560,485.70-130,708,061.40

Finding the Fourth Proportional to 216,872,362.20, 325,560,485.70 and 130,708,061.40

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Solution

The fourth proportional to 216,872,362.20, 325,560,485.70 and 130,708,061.40 is: 196,213,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,872,362.20 : 325,560,485.70 = 130,708,061.40 : x
  2. Step 2: Convert to fraction form
    216,872,362.20/325,560,485.70 = 130,708,061.40/x
  3. Step 3: Cross multiply
    216,872,362.20x = 325,560,485.70 × 130,708,061.40
  4. Step 4: Simplify right side
    216,872,362.20x = 42,553,379,954,289,424
  5. Step 5: Solve for x
    x = 42,553,379,954,289,424/216,872,362.20
  6. Step 6: Final answer
    x = 196,213,936.73

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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.