Home / 140,090,220.40-209,568,460.20-123,084,108.40

Finding the Fourth Proportional to 140,090,220.40, 209,568,460.20 and 123,084,108.40

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Solution

The fourth proportional to 140,090,220.40, 209,568,460.20 and 123,084,108.40 is: 184,128,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,220.40 : 209,568,460.20 = 123,084,108.40 : x
  2. Step 2: Convert to fraction form
    140,090,220.40/209,568,460.20 = 123,084,108.40/x
  3. Step 3: Cross multiply
    140,090,220.40x = 209,568,460.20 × 123,084,108.40
  4. Step 4: Simplify right side
    140,090,220.40x = 25,794,547,072,477,884
  5. Step 5: Solve for x
    x = 25,794,547,072,477,884/140,090,220.40
  6. Step 6: Final answer
    x = 184,128,106.86

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1.5x scale

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.