Home / 55,147,085.20-82,720,627.80-16,808,537.80

Finding the Fourth Proportional to 55,147,085.20, 82,720,627.80 and 16,808,537.80

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Solution

The fourth proportional to 55,147,085.20, 82,720,627.80 and 16,808,537.80 is: 25,212,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147,085.20 : 82,720,627.80 = 16,808,537.80 : x
  2. Step 2: Convert to fraction form
    55,147,085.20/82,720,627.80 = 16,808,537.80/x
  3. Step 3: Cross multiply
    55,147,085.20x = 82,720,627.80 × 16,808,537.80
  4. Step 4: Simplify right side
    55,147,085.20x = 1,390,412,799,216,030.75
  5. Step 5: Solve for x
    x = 1,390,412,799,216,030.75/55,147,085.20
  6. Step 6: Final answer
    x = 25,212,806.70

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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.