Home / 144,058,417.92-198,603,048.78-91,108,735.02

Finding the Fourth Proportional to 144,058,417.92, 198,603,048.78 and 91,108,735.02

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Solution

The fourth proportional to 144,058,417.92, 198,603,048.78 and 91,108,735.02 is: 125,605,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,058,417.92 : 198,603,048.78 = 91,108,735.02 : x
  2. Step 2: Convert to fraction form
    144,058,417.92/198,603,048.78 = 91,108,735.02/x
  3. Step 3: Cross multiply
    144,058,417.92x = 198,603,048.78 × 91,108,735.02
  4. Step 4: Simplify right side
    144,058,417.92x = 18,094,472,545,461,152
  5. Step 5: Solve for x
    x = 18,094,472,545,461,152/144,058,417.92
  6. Step 6: Final answer
    x = 125,605,103.86

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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.