Home / 126,468,315.36-174,458,955.06-76,923,842.40

Finding the Fourth Proportional to 126,468,315.36, 174,458,955.06 and 76,923,842.40

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Solution

The fourth proportional to 126,468,315.36, 174,458,955.06 and 76,923,842.40 is: 106,113,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,468,315.36 : 174,458,955.06 = 76,923,842.40 : x
  2. Step 2: Convert to fraction form
    126,468,315.36/174,458,955.06 = 76,923,842.40/x
  3. Step 3: Cross multiply
    126,468,315.36x = 174,458,955.06 × 76,923,842.40
  4. Step 4: Simplify right side
    126,468,315.36x = 13,420,053,164,304,124
  5. Step 5: Solve for x
    x = 13,420,053,164,304,124/126,468,315.36
  6. Step 6: Final answer
    x = 106,113,955.31

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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.