Home / 154,794,713.43-213,614,001.74-84,227,942.93

Finding the Fourth Proportional to 154,794,713.43, 213,614,001.74 and 84,227,942.93

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Solution

The fourth proportional to 154,794,713.43, 213,614,001.74 and 84,227,942.93 is: 116,233,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,794,713.43 : 213,614,001.74 = 84,227,942.93 : x
  2. Step 2: Convert to fraction form
    154,794,713.43/213,614,001.74 = 84,227,942.93/x
  3. Step 3: Cross multiply
    154,794,713.43x = 213,614,001.74 × 84,227,942.93
  4. Step 4: Simplify right side
    154,794,713.43x = 17,992,267,946,116,432
  5. Step 5: Solve for x
    x = 17,992,267,946,116,432/154,794,713.43
  6. Step 6: Final answer
    x = 116,233,090.57

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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.