Home / 115,084,831.20-172,605,128.40-34,308,434.40

Finding the Fourth Proportional to 115,084,831.20, 172,605,128.40 and 34,308,434.40

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Solution

The fourth proportional to 115,084,831.20, 172,605,128.40 and 34,308,434.40 is: 51,456,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,084,831.20 : 172,605,128.40 = 34,308,434.40 : x
  2. Step 2: Convert to fraction form
    115,084,831.20/172,605,128.40 = 34,308,434.40/x
  3. Step 3: Cross multiply
    115,084,831.20x = 172,605,128.40 × 34,308,434.40
  4. Step 4: Simplify right side
    115,084,831.20x = 5,921,811,724,814,977
  5. Step 5: Solve for x
    x = 5,921,811,724,814,977/115,084,831.20
  6. Step 6: Final answer
    x = 51,456,057.79

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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.