Home / 86,920,128,051.73-130,380,192,077.59-86,920,128,051.73

Finding the Fourth Proportional to 86,920,128,051.73, 130,380,192,077.59 and 86,920,128,051.73

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Solution

The fourth proportional to 86,920,128,051.73, 130,380,192,077.59 and 86,920,128,051.73 is: 130,380,192,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,051.73 : 130,380,192,077.59 = 86,920,128,051.73 : x
  2. Step 2: Convert to fraction form
    86,920,128,051.73/130,380,192,077.59 = 86,920,128,051.73/x
  3. Step 3: Cross multiply
    86,920,128,051.73x = 130,380,192,077.59 × 86,920,128,051.73
  4. Step 4: Simplify right side
    86,920,128,051.73x = 11,332,662,990,793,275,867,136
  5. Step 5: Solve for x
    x = 11,332,662,990,793,275,867,136/86,920,128,051.73
  6. Step 6: Final answer
    x = 130,380,192,077.59

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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.