Home / 220,850,719.80-331,272,969.30-99,681,977.40

Finding the Fourth Proportional to 220,850,719.80, 331,272,969.30 and 99,681,977.40

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Solution

The fourth proportional to 220,850,719.80, 331,272,969.30 and 99,681,977.40 is: 149,521,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,850,719.80 : 331,272,969.30 = 99,681,977.40 : x
  2. Step 2: Convert to fraction form
    220,850,719.80/331,272,969.30 = 99,681,977.40/x
  3. Step 3: Cross multiply
    220,850,719.80x = 331,272,969.30 × 99,681,977.40
  4. Step 4: Simplify right side
    220,850,719.80x = 33,021,944,638,993,496
  5. Step 5: Solve for x
    x = 33,021,944,638,993,496/220,850,719.80
  6. Step 6: Final answer
    x = 149,521,562.21

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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.