Home / 128,719,072.80-193,078,609.20-128,719,072.80

Finding the Fourth Proportional to 128,719,072.80, 193,078,609.20 and 128,719,072.80

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Solution

The fourth proportional to 128,719,072.80, 193,078,609.20 and 128,719,072.80 is: 193,078,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,719,072.80 : 193,078,609.20 = 128,719,072.80 : x
  2. Step 2: Convert to fraction form
    128,719,072.80/193,078,609.20 = 128,719,072.80/x
  3. Step 3: Cross multiply
    128,719,072.80x = 193,078,609.20 × 128,719,072.80
  4. Step 4: Simplify right side
    128,719,072.80x = 24,852,899,553,737,548
  5. Step 5: Solve for x
    x = 24,852,899,553,737,548/128,719,072.80
  6. Step 6: Final answer
    x = 193,078,609.20

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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.