Home / 216,964,168.74-299,414,497.75-122,897,846.93

Finding the Fourth Proportional to 216,964,168.74, 299,414,497.75 and 122,897,846.93

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Solution

The fourth proportional to 216,964,168.74, 299,414,497.75 and 122,897,846.93 is: 169,601,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,964,168.74 : 299,414,497.75 = 122,897,846.93 : x
  2. Step 2: Convert to fraction form
    216,964,168.74/299,414,497.75 = 122,897,846.93/x
  3. Step 3: Cross multiply
    216,964,168.74x = 299,414,497.75 × 122,897,846.93
  4. Step 4: Simplify right side
    216,964,168.74x = 36,797,397,111,298,008
  5. Step 5: Solve for x
    x = 36,797,397,111,298,008/216,964,168.74
  6. Step 6: Final answer
    x = 169,601,263.31

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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.