Home / 115,101,404.20-172,505,139.90-46,867,004.20

Finding the Fourth Proportional to 115,101,404.20, 172,505,139.90 and 46,867,004.20

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Solution

The fourth proportional to 115,101,404.20, 172,505,139.90 and 46,867,004.20 is: 70,240,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,101,404.20 : 172,505,139.90 = 46,867,004.20 : x
  2. Step 2: Convert to fraction form
    115,101,404.20/172,505,139.90 = 46,867,004.20/x
  3. Step 3: Cross multiply
    115,101,404.20x = 172,505,139.90 × 46,867,004.20
  4. Step 4: Simplify right side
    115,101,404.20x = 8,084,799,116,214,888
  5. Step 5: Solve for x
    x = 8,084,799,116,214,888/115,101,404.20
  6. Step 6: Final answer
    x = 70,240,664.50

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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.