Home / 252,354,790.80-378,567,615.60-79,813,612.80

Finding the Fourth Proportional to 252,354,790.80, 378,567,615.60 and 79,813,612.80

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Solution

The fourth proportional to 252,354,790.80, 378,567,615.60 and 79,813,612.80 is: 119,731,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,354,790.80 : 378,567,615.60 = 79,813,612.80 : x
  2. Step 2: Convert to fraction form
    252,354,790.80/378,567,615.60 = 79,813,612.80/x
  3. Step 3: Cross multiply
    252,354,790.80x = 378,567,615.60 × 79,813,612.80
  4. Step 4: Simplify right side
    252,354,790.80x = 30,214,849,090,117,640
  5. Step 5: Solve for x
    x = 30,214,849,090,117,640/252,354,790.80
  6. Step 6: Final answer
    x = 119,731,624.65

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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.