Home / 91,290,588,091.44-125,928,670,327.38-56,936,651,984.61

Finding the Fourth Proportional to 91,290,588,091.44, 125,928,670,327.38 and 56,936,651,984.61

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Solution

The fourth proportional to 91,290,588,091.44, 125,928,670,327.38 and 56,936,651,984.61 is: 78,539,935,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,290,588,091.44 : 125,928,670,327.38 = 56,936,651,984.61 : x
  2. Step 2: Convert to fraction form
    91,290,588,091.44/125,928,670,327.38 = 56,936,651,984.61/x
  3. Step 3: Cross multiply
    91,290,588,091.44x = 125,928,670,327.38 × 56,936,651,984.61
  4. Step 4: Simplify right side
    91,290,588,091.44x = 7,169,956,877,314,719,481,856
  5. Step 5: Solve for x
    x = 7,169,956,877,314,719,481,856/91,290,588,091.44
  6. Step 6: Final answer
    x = 78,539,935,246.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.