Home / 51,285,067.20-76,862,282.40-20,958,667.20

Finding the Fourth Proportional to 51,285,067.20, 76,862,282.40 and 20,958,667.20

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Solution

The fourth proportional to 51,285,067.20, 76,862,282.40 and 20,958,667.20 is: 31,411,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285,067.20 : 76,862,282.40 = 20,958,667.20 : x
  2. Step 2: Convert to fraction form
    51,285,067.20/76,862,282.40 = 20,958,667.20/x
  3. Step 3: Cross multiply
    51,285,067.20x = 76,862,282.40 × 20,958,667.20
  4. Step 4: Simplify right side
    51,285,067.20x = 1,610,930,997,054,017.25
  5. Step 5: Solve for x
    x = 1,610,930,997,054,017.25/51,285,067.20
  6. Step 6: Final answer
    x = 31,411,307.13

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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.