Home / 192,455,999.10-288,628,011.45-106,235,711.10

Finding the Fourth Proportional to 192,455,999.10, 288,628,011.45 and 106,235,711.10

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Solution

The fourth proportional to 192,455,999.10, 288,628,011.45 and 106,235,711.10 is: 159,322,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,455,999.10 : 288,628,011.45 = 106,235,711.10 : x
  2. Step 2: Convert to fraction form
    192,455,999.10/288,628,011.45 = 106,235,711.10/x
  3. Step 3: Cross multiply
    192,455,999.10x = 288,628,011.45 × 106,235,711.10
  4. Step 4: Simplify right side
    192,455,999.10x = 30,662,602,039,769,688
  5. Step 5: Solve for x
    x = 30,662,602,039,769,688/192,455,999.10
  6. Step 6: Final answer
    x = 159,322,661.72

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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.