Home / 392,887,133.40-589,230,141.48-116,473,709.64

Finding the Fourth Proportional to 392,887,133.40, 589,230,141.48 and 116,473,709.64

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Solution

The fourth proportional to 392,887,133.40, 589,230,141.48 and 116,473,709.64 is: 174,680,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,887,133.40 : 589,230,141.48 = 116,473,709.64 : x
  2. Step 2: Convert to fraction form
    392,887,133.40/589,230,141.48 = 116,473,709.64/x
  3. Step 3: Cross multiply
    392,887,133.40x = 589,230,141.48 × 116,473,709.64
  4. Step 4: Simplify right side
    392,887,133.40x = 68,629,820,409,877,640
  5. Step 5: Solve for x
    x = 68,629,820,409,877,640/392,887,133.40
  6. Step 6: Final answer
    x = 174,680,753.26

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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.