Home / 326,272,897.83-489,404,554.77-80,629,526.05

Finding the Fourth Proportional to 326,272,897.83, 489,404,554.77 and 80,629,526.05

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Solution

The fourth proportional to 326,272,897.83, 489,404,554.77 and 80,629,526.05 is: 120,943,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,272,897.83 : 489,404,554.77 = 80,629,526.05 : x
  2. Step 2: Convert to fraction form
    326,272,897.83/489,404,554.77 = 80,629,526.05/x
  3. Step 3: Cross multiply
    326,272,897.83x = 489,404,554.77 × 80,629,526.05
  4. Step 4: Simplify right side
    326,272,897.83x = 39,460,457,296,895,216
  5. Step 5: Solve for x
    x = 39,460,457,296,895,216/326,272,897.83
  6. Step 6: Final answer
    x = 120,943,104.86

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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.