Home / 72,505,805.04-100,060,651.08-39,464,457.12

Finding the Fourth Proportional to 72,505,805.04, 100,060,651.08 and 39,464,457.12

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Solution

The fourth proportional to 72,505,805.04, 100,060,651.08 and 39,464,457.12 is: 54,462,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,505,805.04 : 100,060,651.08 = 39,464,457.12 : x
  2. Step 2: Convert to fraction form
    72,505,805.04/100,060,651.08 = 39,464,457.12/x
  3. Step 3: Cross multiply
    72,505,805.04x = 100,060,651.08 × 39,464,457.12
  4. Step 4: Simplify right side
    72,505,805.04x = 3,948,839,273,945,941.50
  5. Step 5: Solve for x
    x = 3,948,839,273,945,941.50/72,505,805.04
  6. Step 6: Final answer
    x = 54,462,387.83

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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.