Home / 281,804,825.66-388,893,812.20-156,359,292.98

Finding the Fourth Proportional to 281,804,825.66, 388,893,812.20 and 156,359,292.98

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Solution

The fourth proportional to 281,804,825.66, 388,893,812.20 and 156,359,292.98 is: 215,777,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,804,825.66 : 388,893,812.20 = 156,359,292.98 : x
  2. Step 2: Convert to fraction form
    281,804,825.66/388,893,812.20 = 156,359,292.98/x
  3. Step 3: Cross multiply
    281,804,825.66x = 388,893,812.20 × 156,359,292.98
  4. Step 4: Simplify right side
    281,804,825.66x = 60,807,161,519,888,896
  5. Step 5: Solve for x
    x = 60,807,161,519,888,896/281,804,825.66
  6. Step 6: Final answer
    x = 215,777,573.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.