Home / 211,222,407.80-316,833,611.70-204,168,020.60

Finding the Fourth Proportional to 211,222,407.80, 316,833,611.70 and 204,168,020.60

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Solution

The fourth proportional to 211,222,407.80, 316,833,611.70 and 204,168,020.60 is: 306,252,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,222,407.80 : 316,833,611.70 = 204,168,020.60 : x
  2. Step 2: Convert to fraction form
    211,222,407.80/316,833,611.70 = 204,168,020.60/x
  3. Step 3: Cross multiply
    211,222,407.80x = 316,833,611.70 × 204,168,020.60
  4. Step 4: Simplify right side
    211,222,407.80x = 64,687,291,360,338,000
  5. Step 5: Solve for x
    x = 64,687,291,360,338,000/211,222,407.80
  6. Step 6: Final answer
    x = 306,252,030.90

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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.