Home / 220,850,695.80-331,272,933.30-99,681,953.40

Finding the Fourth Proportional to 220,850,695.80, 331,272,933.30 and 99,681,953.40

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Solution

The fourth proportional to 220,850,695.80, 331,272,933.30 and 99,681,953.40 is: 149,521,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,850,695.80 : 331,272,933.30 = 99,681,953.40 : x
  2. Step 2: Convert to fraction form
    220,850,695.80/331,272,933.30 = 99,681,953.40/x
  3. Step 3: Cross multiply
    220,850,695.80x = 331,272,933.30 × 99,681,953.40
  4. Step 4: Simplify right side
    220,850,695.80x = 33,021,933,099,891,912
  5. Step 5: Solve for x
    x = 33,021,933,099,891,912/220,850,695.80
  6. Step 6: Final answer
    x = 149,521,526.21

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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.