Home / 76,807,249.02-115,191,694.35-30,130,221.83

Finding the Fourth Proportional to 76,807,249.02, 115,191,694.35 and 30,130,221.83

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Solution

The fourth proportional to 76,807,249.02, 115,191,694.35 and 30,130,221.83 is: 45,187,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,807,249.02 : 115,191,694.35 = 30,130,221.83 : x
  2. Step 2: Convert to fraction form
    76,807,249.02/115,191,694.35 = 30,130,221.83/x
  3. Step 3: Cross multiply
    76,807,249.02x = 115,191,694.35 × 30,130,221.83
  4. Step 4: Simplify right side
    76,807,249.02x = 3,470,751,303,163,099
  5. Step 5: Solve for x
    x = 3,470,751,303,163,099/76,807,249.02
  6. Step 6: Final answer
    x = 45,187,809.06

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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.