Home / 144,257,525.45-199,075,553.74-78,178,020.29

Finding the Fourth Proportional to 144,257,525.45, 199,075,553.74 and 78,178,020.29

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Solution

The fourth proportional to 144,257,525.45, 199,075,553.74 and 78,178,020.29 is: 107,885,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,257,525.45 : 199,075,553.74 = 78,178,020.29 : x
  2. Step 2: Convert to fraction form
    144,257,525.45/199,075,553.74 = 78,178,020.29/x
  3. Step 3: Cross multiply
    144,257,525.45x = 199,075,553.74 × 78,178,020.29
  4. Step 4: Simplify right side
    144,257,525.45x = 15,563,332,680,057,242
  5. Step 5: Solve for x
    x = 15,563,332,680,057,242/144,257,525.45
  6. Step 6: Final answer
    x = 107,885,759.38

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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.