Home / 70,620,860,448.96-105,944,346,871.20-20,254,185,597.12

Finding the Fourth Proportional to 70,620,860,448.96, 105,944,346,871.20 and 20,254,185,597.12

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Solution

The fourth proportional to 70,620,860,448.96, 105,944,346,871.20 and 20,254,185,597.12 is: 30,385,022,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,620,860,448.96 : 105,944,346,871.20 = 20,254,185,597.12 : x
  2. Step 2: Convert to fraction form
    70,620,860,448.96/105,944,346,871.20 = 20,254,185,597.12/x
  3. Step 3: Cross multiply
    70,620,860,448.96x = 105,944,346,871.20 × 20,254,185,597.12
  4. Step 4: Simplify right side
    70,620,860,448.96x = 2,145,816,464,494,944,321,536
  5. Step 5: Solve for x
    x = 2,145,816,464,494,944,321,536/70,620,860,448.96
  6. Step 6: Final answer
    x = 30,385,022,935.90

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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.