Home / 208,456,851.72-312,481,941.28-99,252,680.88

Finding the Fourth Proportional to 208,456,851.72, 312,481,941.28 and 99,252,680.88

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Solution

The fourth proportional to 208,456,851.72, 312,481,941.28 and 99,252,680.88 is: 148,782,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,456,851.72 : 312,481,941.28 = 99,252,680.88 : x
  2. Step 2: Convert to fraction form
    208,456,851.72/312,481,941.28 = 99,252,680.88/x
  3. Step 3: Cross multiply
    208,456,851.72x = 312,481,941.28 × 99,252,680.88
  4. Step 4: Simplify right side
    208,456,851.72x = 31,014,670,398,626,736
  5. Step 5: Solve for x
    x = 31,014,670,398,626,736/208,456,851.72
  6. Step 6: Final answer
    x = 148,782,206.69

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