Home / 165,156,343.61-227,930,276.78-90,830,001.80

Finding the Fourth Proportional to 165,156,343.61, 227,930,276.78 and 90,830,001.80

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Solution

The fourth proportional to 165,156,343.61, 227,930,276.78 and 90,830,001.80 is: 125,353,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,156,343.61 : 227,930,276.78 = 90,830,001.80 : x
  2. Step 2: Convert to fraction form
    165,156,343.61/227,930,276.78 = 90,830,001.80/x
  3. Step 3: Cross multiply
    165,156,343.61x = 227,930,276.78 × 90,830,001.80
  4. Step 4: Simplify right side
    165,156,343.61x = 20,702,907,449,886,544
  5. Step 5: Solve for x
    x = 20,702,907,449,886,544/165,156,343.61
  6. Step 6: Final answer
    x = 125,353,389.39

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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.