Home / 357,319,375.80-535,979,063.70-127,295,964.60

Finding the Fourth Proportional to 357,319,375.80, 535,979,063.70 and 127,295,964.60

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Solution

The fourth proportional to 357,319,375.80, 535,979,063.70 and 127,295,964.60 is: 190,943,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,319,375.80 : 535,979,063.70 = 127,295,964.60 : x
  2. Step 2: Convert to fraction form
    357,319,375.80/535,979,063.70 = 127,295,964.60/x
  3. Step 3: Cross multiply
    357,319,375.80x = 535,979,063.70 × 127,295,964.60
  4. Step 4: Simplify right side
    357,319,375.80x = 68,227,971,919,096,344
  5. Step 5: Solve for x
    x = 68,227,971,919,096,344/357,319,375.80
  6. Step 6: Final answer
    x = 190,943,946.90

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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.