Home / 215,533,649.80-323,300,474.70-147,509,201.80

Finding the Fourth Proportional to 215,533,649.80, 323,300,474.70 and 147,509,201.80

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Solution

The fourth proportional to 215,533,649.80, 323,300,474.70 and 147,509,201.80 is: 221,263,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,533,649.80 : 323,300,474.70 = 147,509,201.80 : x
  2. Step 2: Convert to fraction form
    215,533,649.80/323,300,474.70 = 147,509,201.80/x
  3. Step 3: Cross multiply
    215,533,649.80x = 323,300,474.70 × 147,509,201.80
  4. Step 4: Simplify right side
    215,533,649.80x = 47,689,794,964,558,096
  5. Step 5: Solve for x
    x = 47,689,794,964,558,096/215,533,649.80
  6. Step 6: Final answer
    x = 221,263,802.70

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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.