Home / 103,320,623,473.32-142,582,459,234.96-55,797,043,489.32

Finding the Fourth Proportional to 103,320,623,473.32, 142,582,459,234.96 and 55,797,043,489.32

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Solution

The fourth proportional to 103,320,623,473.32, 142,582,459,234.96 and 55,797,043,489.32 is: 76,999,919,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,320,623,473.32 : 142,582,459,234.96 = 55,797,043,489.32 : x
  2. Step 2: Convert to fraction form
    103,320,623,473.32/142,582,459,234.96 = 55,797,043,489.32/x
  3. Step 3: Cross multiply
    103,320,623,473.32x = 142,582,459,234.96 × 55,797,043,489.32
  4. Step 4: Simplify right side
    103,320,623,473.32x = 7,955,679,678,747,259,174,912
  5. Step 5: Solve for x
    x = 7,955,679,678,747,259,174,912/103,320,623,473.32
  6. Step 6: Final answer
    x = 76,999,919,389.78

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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.