Home / 71,921,683,043.60-107,882,524,565.40-68,493,250,864.40

Finding the Fourth Proportional to 71,921,683,043.60, 107,882,524,565.40 and 68,493,250,864.40

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Solution

The fourth proportional to 71,921,683,043.60, 107,882,524,565.40 and 68,493,250,864.40 is: 102,739,876,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,921,683,043.60 : 107,882,524,565.40 = 68,493,250,864.40 : x
  2. Step 2: Convert to fraction form
    71,921,683,043.60/107,882,524,565.40 = 68,493,250,864.40/x
  3. Step 3: Cross multiply
    71,921,683,043.60x = 107,882,524,565.40 × 68,493,250,864.40
  4. Step 4: Simplify right side
    71,921,683,043.60x = 7,389,224,818,942,737,907,712
  5. Step 5: Solve for x
    x = 7,389,224,818,942,737,907,712/71,921,683,043.60
  6. Step 6: Final answer
    x = 102,739,876,296.60

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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.