Home / 117,151,961.04-161,671,021.47-66,922,831.80

Finding the Fourth Proportional to 117,151,961.04, 161,671,021.47 and 66,922,831.80

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Solution

The fourth proportional to 117,151,961.04, 161,671,021.47 and 66,922,831.80 is: 92,354,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,151,961.04 : 161,671,021.47 = 66,922,831.80 : x
  2. Step 2: Convert to fraction form
    117,151,961.04/161,671,021.47 = 66,922,831.80/x
  3. Step 3: Cross multiply
    117,151,961.04x = 161,671,021.47 × 66,922,831.80
  4. Step 4: Simplify right side
    117,151,961.04x = 10,819,482,576,770,998
  5. Step 5: Solve for x
    x = 10,819,482,576,770,998/117,151,961.04
  6. Step 6: Final answer
    x = 92,354,259.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.