Home / 213,070,814.20-319,606,221.30-210,201,032.80

Finding the Fourth Proportional to 213,070,814.20, 319,606,221.30 and 210,201,032.80

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Solution

The fourth proportional to 213,070,814.20, 319,606,221.30 and 210,201,032.80 is: 315,301,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,070,814.20 : 319,606,221.30 = 210,201,032.80 : x
  2. Step 2: Convert to fraction form
    213,070,814.20/319,606,221.30 = 210,201,032.80/x
  3. Step 3: Cross multiply
    213,070,814.20x = 319,606,221.30 × 210,201,032.80
  4. Step 4: Simplify right side
    213,070,814.20x = 67,181,557,806,565,368
  5. Step 5: Solve for x
    x = 67,181,557,806,565,368/213,070,814.20
  6. Step 6: Final answer
    x = 315,301,549.20

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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.