Home / 122,303,270.80-183,454,906.20-99,345,019.60

Finding the Fourth Proportional to 122,303,270.80, 183,454,906.20 and 99,345,019.60

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Solution

The fourth proportional to 122,303,270.80, 183,454,906.20 and 99,345,019.60 is: 149,017,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,303,270.80 : 183,454,906.20 = 99,345,019.60 : x
  2. Step 2: Convert to fraction form
    122,303,270.80/183,454,906.20 = 99,345,019.60/x
  3. Step 3: Cross multiply
    122,303,270.80x = 183,454,906.20 × 99,345,019.60
  4. Step 4: Simplify right side
    122,303,270.80x = 18,225,331,252,155,160
  5. Step 5: Solve for x
    x = 18,225,331,252,155,160/122,303,270.80
  6. Step 6: Final answer
    x = 149,017,529.40

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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.