Home / 216,972,031.80-325,458,047.70-73,364,863.80

Finding the Fourth Proportional to 216,972,031.80, 325,458,047.70 and 73,364,863.80

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Solution

The fourth proportional to 216,972,031.80, 325,458,047.70 and 73,364,863.80 is: 110,047,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,972,031.80 : 325,458,047.70 = 73,364,863.80 : x
  2. Step 2: Convert to fraction form
    216,972,031.80/325,458,047.70 = 73,364,863.80/x
  3. Step 3: Cross multiply
    216,972,031.80x = 325,458,047.70 × 73,364,863.80
  4. Step 4: Simplify right side
    216,972,031.80x = 23,877,185,342,124,400
  5. Step 5: Solve for x
    x = 23,877,185,342,124,400/216,972,031.80
  6. Step 6: Final answer
    x = 110,047,295.70

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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.