Home / 122,528,471.40-183,792,707.10-54,378,052.20

Finding the Fourth Proportional to 122,528,471.40, 183,792,707.10 and 54,378,052.20

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Solution

The fourth proportional to 122,528,471.40, 183,792,707.10 and 54,378,052.20 is: 81,567,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,528,471.40 : 183,792,707.10 = 54,378,052.20 : x
  2. Step 2: Convert to fraction form
    122,528,471.40/183,792,707.10 = 54,378,052.20/x
  3. Step 3: Cross multiply
    122,528,471.40x = 183,792,707.10 × 54,378,052.20
  4. Step 4: Simplify right side
    122,528,471.40x = 9,994,289,420,663,110
  5. Step 5: Solve for x
    x = 9,994,289,420,663,110/122,528,471.40
  6. Step 6: Final answer
    x = 81,567,078.30

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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.