Home / 128,305,754.40-192,458,631.60-107,048,114.40

Finding the Fourth Proportional to 128,305,754.40, 192,458,631.60 and 107,048,114.40

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Solution

The fourth proportional to 128,305,754.40, 192,458,631.60 and 107,048,114.40 is: 160,572,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,305,754.40 : 192,458,631.60 = 107,048,114.40 : x
  2. Step 2: Convert to fraction form
    128,305,754.40/192,458,631.60 = 107,048,114.40/x
  3. Step 3: Cross multiply
    128,305,754.40x = 192,458,631.60 × 107,048,114.40
  4. Step 4: Simplify right side
    128,305,754.40x = 20,602,333,612,784,256
  5. Step 5: Solve for x
    x = 20,602,333,612,784,256/128,305,754.40
  6. Step 6: Final answer
    x = 160,572,171.60

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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.