Home / 272,817,695.88-409,220,665.56-76,075,868.16

Finding the Fourth Proportional to 272,817,695.88, 409,220,665.56 and 76,075,868.16

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Solution

The fourth proportional to 272,817,695.88, 409,220,665.56 and 76,075,868.16 is: 114,112,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,817,695.88 : 409,220,665.56 = 76,075,868.16 : x
  2. Step 2: Convert to fraction form
    272,817,695.88/409,220,665.56 = 76,075,868.16/x
  3. Step 3: Cross multiply
    272,817,695.88x = 409,220,665.56 × 76,075,868.16
  4. Step 4: Simplify right side
    272,817,695.88x = 31,131,817,401,490,012
  5. Step 5: Solve for x
    x = 31,131,817,401,490,012/272,817,695.88
  6. Step 6: Final answer
    x = 114,112,163.07

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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.