Home / 310,104,984.12-427,954,006.56-170,884,713.95

Finding the Fourth Proportional to 310,104,984.12, 427,954,006.56 and 170,884,713.95

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Solution

The fourth proportional to 310,104,984.12, 427,954,006.56 and 170,884,713.95 is: 235,825,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,104,984.12 : 427,954,006.56 = 170,884,713.95 : x
  2. Step 2: Convert to fraction form
    310,104,984.12/427,954,006.56 = 170,884,713.95/x
  3. Step 3: Cross multiply
    310,104,984.12x = 427,954,006.56 × 170,884,713.95
  4. Step 4: Simplify right side
    310,104,984.12x = 73,130,797,994,867,904
  5. Step 5: Solve for x
    x = 73,130,797,994,867,904/310,104,984.12
  6. Step 6: Final answer
    x = 235,825,935.54

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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.