Home / 75,285,694.80-112,926,209.40-21,433,006.80

Finding the Fourth Proportional to 75,285,694.80, 112,926,209.40 and 21,433,006.80

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Solution

The fourth proportional to 75,285,694.80, 112,926,209.40 and 21,433,006.80 is: 32,148,846.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,285,694.80 : 112,926,209.40 = 21,433,006.80 : x
  2. Step 2: Convert to fraction form
    75,285,694.80/112,926,209.40 = 21,433,006.80/x
  3. Step 3: Cross multiply
    75,285,694.80x = 112,926,209.40 × 21,433,006.80
  4. Step 4: Simplify right side
    75,285,694.80x = 2,420,348,213,968,424
  5. Step 5: Solve for x
    x = 2,420,348,213,968,424/75,285,694.80
  6. Step 6: Final answer
    x = 32,148,846.08

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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.