Home / 72,180,873,779.44-108,271,161,797.52-40,724,243,221.36

Finding the Fourth Proportional to 72,180,873,779.44, 108,271,161,797.52 and 40,724,243,221.36

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Solution

The fourth proportional to 72,180,873,779.44, 108,271,161,797.52 and 40,724,243,221.36 is: 61,086,280,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,180,873,779.44 : 108,271,161,797.52 = 40,724,243,221.36 : x
  2. Step 2: Convert to fraction form
    72,180,873,779.44/108,271,161,797.52 = 40,724,243,221.36/x
  3. Step 3: Cross multiply
    72,180,873,779.44x = 108,271,161,797.52 × 40,724,243,221.36
  4. Step 4: Simplify right side
    72,180,873,779.44x = 4,409,261,126,901,426,028,544
  5. Step 5: Solve for x
    x = 4,409,261,126,901,426,028,544/72,180,873,779.44
  6. Step 6: Final answer
    x = 61,086,280,839.09

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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.