Home / 187,031,351.36-258,111,236-104,525,133.76

Finding the Fourth Proportional to 187,031,351.36, 258,111,236 and 104,525,133.76

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Solution

The fourth proportional to 187,031,351.36, 258,111,236 and 104,525,133.76 is: 144,249,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,031,351.36 : 258,111,236 = 104,525,133.76 : x
  2. Step 2: Convert to fraction form
    187,031,351.36/258,111,236 = 104,525,133.76/x
  3. Step 3: Cross multiply
    187,031,351.36x = 258,111,236 × 104,525,133.76
  4. Step 4: Simplify right side
    187,031,351.36x = 26,979,111,467,858,928
  5. Step 5: Solve for x
    x = 26,979,111,467,858,928/187,031,351.36
  6. Step 6: Final answer
    x = 144,249,139.36

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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.