Home / 78,001,450,953.28-107,674,956,759.36-52,661,248,123.84

Finding the Fourth Proportional to 78,001,450,953.28, 107,674,956,759.36 and 52,661,248,123.84

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Solution

The fourth proportional to 78,001,450,953.28, 107,674,956,759.36 and 52,661,248,123.84 is: 72,694,770,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,001,450,953.28 : 107,674,956,759.36 = 52,661,248,123.84 : x
  2. Step 2: Convert to fraction form
    78,001,450,953.28/107,674,956,759.36 = 52,661,248,123.84/x
  3. Step 3: Cross multiply
    78,001,450,953.28x = 107,674,956,759.36 × 52,661,248,123.84
  4. Step 4: Simplify right side
    78,001,450,953.28x = 5,670,297,614,628,399,611,904
  5. Step 5: Solve for x
    x = 5,670,297,614,628,399,611,904/78,001,450,953.28
  6. Step 6: Final answer
    x = 72,694,770,998.87

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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.