Home / 128,305,448.40-192,458,172.60-124,526,312.40

Finding the Fourth Proportional to 128,305,448.40, 192,458,172.60 and 124,526,312.40

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Solution

The fourth proportional to 128,305,448.40, 192,458,172.60 and 124,526,312.40 is: 186,789,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,305,448.40 : 192,458,172.60 = 124,526,312.40 : x
  2. Step 2: Convert to fraction form
    128,305,448.40/192,458,172.60 = 124,526,312.40/x
  3. Step 3: Cross multiply
    128,305,448.40x = 192,458,172.60 × 124,526,312.40
  4. Step 4: Simplify right side
    128,305,448.40x = 23,966,106,525,120,720
  5. Step 5: Solve for x
    x = 23,966,106,525,120,720/128,305,448.40
  6. Step 6: Final answer
    x = 186,789,468.60

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1.5x scale

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.