Home / 193,543,271.20-290,314,906.80-72,358,976.80

Finding the Fourth Proportional to 193,543,271.20, 290,314,906.80 and 72,358,976.80

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Solution

The fourth proportional to 193,543,271.20, 290,314,906.80 and 72,358,976.80 is: 108,538,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,271.20 : 290,314,906.80 = 72,358,976.80 : x
  2. Step 2: Convert to fraction form
    193,543,271.20/290,314,906.80 = 72,358,976.80/x
  3. Step 3: Cross multiply
    193,543,271.20x = 290,314,906.80 × 72,358,976.80
  4. Step 4: Simplify right side
    193,543,271.20x = 21,006,889,605,835,364
  5. Step 5: Solve for x
    x = 21,006,889,605,835,364/193,543,271.20
  6. Step 6: Final answer
    x = 108,538,465.20

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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.