Home / 126,104,071.80-189,164,087.80-53,307,282

Finding the Fourth Proportional to 126,104,071.80, 189,164,087.80 and 53,307,282

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Solution

The fourth proportional to 126,104,071.80, 189,164,087.80 and 53,307,282 is: 79,964,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,104,071.80 : 189,164,087.80 = 53,307,282 : x
  2. Step 2: Convert to fraction form
    126,104,071.80/189,164,087.80 = 53,307,282/x
  3. Step 3: Cross multiply
    126,104,071.80x = 189,164,087.80 × 53,307,282
  4. Step 4: Simplify right side
    126,104,071.80x = 10,083,823,372,627,360
  5. Step 5: Solve for x
    x = 10,083,823,372,627,360/126,104,071.80
  6. Step 6: Final answer
    x = 79,964,296.38

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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.