Home / 245,396,044,440.42-368,130,871,755.09-86,191,083,090.24

Finding the Fourth Proportional to 245,396,044,440.42, 368,130,871,755.09 and 86,191,083,090.24

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Solution

The fourth proportional to 245,396,044,440.42, 368,130,871,755.09 and 86,191,083,090.24 is: 129,299,551,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,396,044,440.42 : 368,130,871,755.09 = 86,191,083,090.24 : x
  2. Step 2: Convert to fraction form
    245,396,044,440.42/368,130,871,755.09 = 86,191,083,090.24/x
  3. Step 3: Cross multiply
    245,396,044,440.42x = 368,130,871,755.09 × 86,191,083,090.24
  4. Step 4: Simplify right side
    245,396,044,440.42x = 31,729,598,555,525,451,087,872
  5. Step 5: Solve for x
    x = 31,729,598,555,525,451,087,872/245,396,044,440.42
  6. Step 6: Final answer
    x = 129,299,551,783.24

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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.