Home / 154,112,398.79-231,133,224.04-91,881,321.98

Finding the Fourth Proportional to 154,112,398.79, 231,133,224.04 and 91,881,321.98

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Solution

The fourth proportional to 154,112,398.79, 231,133,224.04 and 91,881,321.98 is: 137,800,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,112,398.79 : 231,133,224.04 = 91,881,321.98 : x
  2. Step 2: Convert to fraction form
    154,112,398.79/231,133,224.04 = 91,881,321.98/x
  3. Step 3: Cross multiply
    154,112,398.79x = 231,133,224.04 × 91,881,321.98
  4. Step 4: Simplify right side
    154,112,398.79x = 21,236,826,176,909,344
  5. Step 5: Solve for x
    x = 21,236,826,176,909,344/154,112,398.79
  6. Step 6: Final answer
    x = 137,800,893.01

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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.