Home / 220,808,042.42-304,715,146.52-120,336,503.40

Finding the Fourth Proportional to 220,808,042.42, 304,715,146.52 and 120,336,503.40

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Solution

The fourth proportional to 220,808,042.42, 304,715,146.52 and 120,336,503.40 is: 166,064,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,808,042.42 : 304,715,146.52 = 120,336,503.40 : x
  2. Step 2: Convert to fraction form
    220,808,042.42/304,715,146.52 = 120,336,503.40/x
  3. Step 3: Cross multiply
    220,808,042.42x = 304,715,146.52 × 120,336,503.40
  4. Step 4: Simplify right side
    220,808,042.42x = 36,668,355,265,536,320
  5. Step 5: Solve for x
    x = 36,668,355,265,536,320/220,808,042.42
  6. Step 6: Final answer
    x = 166,064,400.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.