Home / 72,114,983.57-99,519,023.86-39,075,224.04

Finding the Fourth Proportional to 72,114,983.57, 99,519,023.86 and 39,075,224.04

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Solution

The fourth proportional to 72,114,983.57, 99,519,023.86 and 39,075,224.04 is: 53,923,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,114,983.57 : 99,519,023.86 = 39,075,224.04 : x
  2. Step 2: Convert to fraction form
    72,114,983.57/99,519,023.86 = 39,075,224.04/x
  3. Step 3: Cross multiply
    72,114,983.57x = 99,519,023.86 × 39,075,224.04
  4. Step 4: Simplify right side
    72,114,983.57x = 3,888,728,153,473,917.50
  5. Step 5: Solve for x
    x = 3,888,728,153,473,917.50/72,114,983.57
  6. Step 6: Final answer
    x = 53,923,996.94

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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.