Home / 221,117,440.68-331,676,271.54-75,552,429.36

Finding the Fourth Proportional to 221,117,440.68, 331,676,271.54 and 75,552,429.36

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Solution

The fourth proportional to 221,117,440.68, 331,676,271.54 and 75,552,429.36 is: 113,328,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,117,440.68 : 331,676,271.54 = 75,552,429.36 : x
  2. Step 2: Convert to fraction form
    221,117,440.68/331,676,271.54 = 75,552,429.36/x
  3. Step 3: Cross multiply
    221,117,440.68x = 331,676,271.54 × 75,552,429.36
  4. Step 4: Simplify right side
    221,117,440.68x = 25,058,948,075,914,028
  5. Step 5: Solve for x
    x = 25,058,948,075,914,028/221,117,440.68
  6. Step 6: Final answer
    x = 113,328,681.80

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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.