Home / 35,410,247.90-53,030,221.13-20,218,132.70

Finding the Fourth Proportional to 35,410,247.90, 53,030,221.13 and 20,218,132.70

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Solution

The fourth proportional to 35,410,247.90, 53,030,221.13 and 20,218,132.70 is: 30,278,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,410,247.90 : 53,030,221.13 = 20,218,132.70 : x
  2. Step 2: Convert to fraction form
    35,410,247.90/53,030,221.13 = 20,218,132.70/x
  3. Step 3: Cross multiply
    35,410,247.90x = 53,030,221.13 × 20,218,132.70
  4. Step 4: Simplify right side
    35,410,247.90x = 1,072,172,047,916,684
  5. Step 5: Solve for x
    x = 1,072,172,047,916,684/35,410,247.90
  6. Step 6: Final answer
    x = 30,278,580.68

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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.