Home / 172,595,391.20-258,893,086.80-104,868,850.40

Finding the Fourth Proportional to 172,595,391.20, 258,893,086.80 and 104,868,850.40

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Solution

The fourth proportional to 172,595,391.20, 258,893,086.80 and 104,868,850.40 is: 157,303,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,595,391.20 : 258,893,086.80 = 104,868,850.40 : x
  2. Step 2: Convert to fraction form
    172,595,391.20/258,893,086.80 = 104,868,850.40/x
  3. Step 3: Cross multiply
    172,595,391.20x = 258,893,086.80 × 104,868,850.40
  4. Step 4: Simplify right side
    172,595,391.20x = 27,149,820,389,223,416
  5. Step 5: Solve for x
    x = 27,149,820,389,223,416/172,595,391.20
  6. Step 6: Final answer
    x = 157,303,275.60

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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.