Home / 35,436,763.60-53,155,145.40-20,131,262.80

Finding the Fourth Proportional to 35,436,763.60, 53,155,145.40 and 20,131,262.80

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Solution

The fourth proportional to 35,436,763.60, 53,155,145.40 and 20,131,262.80 is: 30,196,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,436,763.60 : 53,155,145.40 = 20,131,262.80 : x
  2. Step 2: Convert to fraction form
    35,436,763.60/53,155,145.40 = 20,131,262.80/x
  3. Step 3: Cross multiply
    35,436,763.60x = 53,155,145.40 × 20,131,262.80
  4. Step 4: Simplify right side
    35,436,763.60x = 1,070,080,201,219,611.12
  5. Step 5: Solve for x
    x = 1,070,080,201,219,611.12/35,436,763.60
  6. Step 6: Final answer
    x = 30,196,894.20

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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.