Home / 161,784,291.20-242,676,436.80-71,085,027.20

Finding the Fourth Proportional to 161,784,291.20, 242,676,436.80 and 71,085,027.20

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Solution

The fourth proportional to 161,784,291.20, 242,676,436.80 and 71,085,027.20 is: 106,627,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,784,291.20 : 242,676,436.80 = 71,085,027.20 : x
  2. Step 2: Convert to fraction form
    161,784,291.20/242,676,436.80 = 71,085,027.20/x
  3. Step 3: Cross multiply
    161,784,291.20x = 242,676,436.80 × 71,085,027.20
  4. Step 4: Simplify right side
    161,784,291.20x = 17,250,661,110,727,082
  5. Step 5: Solve for x
    x = 17,250,661,110,727,082/161,784,291.20
  6. Step 6: Final answer
    x = 106,627,540.80

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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.