Home / 220,107,920.80-330,161,881.20-216,706,698.40

Finding the Fourth Proportional to 220,107,920.80, 330,161,881.20 and 216,706,698.40

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Solution

The fourth proportional to 220,107,920.80, 330,161,881.20 and 216,706,698.40 is: 325,060,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,107,920.80 : 330,161,881.20 = 216,706,698.40 : x
  2. Step 2: Convert to fraction form
    220,107,920.80/330,161,881.20 = 216,706,698.40/x
  3. Step 3: Cross multiply
    220,107,920.80x = 330,161,881.20 × 216,706,698.40
  4. Step 4: Simplify right side
    220,107,920.80x = 71,548,291,212,385,032
  5. Step 5: Solve for x
    x = 71,548,291,212,385,032/220,107,920.80
  6. Step 6: Final answer
    x = 325,060,047.60

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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.