Home / 82,132,015,273.74-122,985,847,769.22-56,684,686,074.12

Finding the Fourth Proportional to 82,132,015,273.74, 122,985,847,769.22 and 56,684,686,074.12

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Solution

The fourth proportional to 82,132,015,273.74, 122,985,847,769.22 and 56,684,686,074.12 is: 84,880,593,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,132,015,273.74 : 122,985,847,769.22 = 56,684,686,074.12 : x
  2. Step 2: Convert to fraction form
    82,132,015,273.74/122,985,847,769.22 = 56,684,686,074.12/x
  3. Step 3: Cross multiply
    82,132,015,273.74x = 122,985,847,769.22 × 56,684,686,074.12
  4. Step 4: Simplify right side
    82,132,015,273.74x = 6,971,414,172,357,747,539,968
  5. Step 5: Solve for x
    x = 6,971,414,172,357,747,539,968/82,132,015,273.74
  6. Step 6: Final answer
    x = 84,880,593,141.69

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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.