Home / 126,725,274.51-190,167,875.30-53,941,939.10

Finding the Fourth Proportional to 126,725,274.51, 190,167,875.30 and 53,941,939.10

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Solution

The fourth proportional to 126,725,274.51, 190,167,875.30 and 53,941,939.10 is: 80,946,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725,274.51 : 190,167,875.30 = 53,941,939.10 : x
  2. Step 2: Convert to fraction form
    126,725,274.51/190,167,875.30 = 53,941,939.10/x
  3. Step 3: Cross multiply
    126,725,274.51x = 190,167,875.30 × 53,941,939.10
  4. Step 4: Simplify right side
    126,725,274.51x = 10,258,023,948,208,996
  5. Step 5: Solve for x
    x = 10,258,023,948,208,996/126,725,274.51
  6. Step 6: Final answer
    x = 80,946,945.97

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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.