Home / 68,830,047,606.30-103,245,071,409.45-40,866,897,644.70

Finding the Fourth Proportional to 68,830,047,606.30, 103,245,071,409.45 and 40,866,897,644.70

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Solution

The fourth proportional to 68,830,047,606.30, 103,245,071,409.45 and 40,866,897,644.70 is: 61,300,346,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830,047,606.30 : 103,245,071,409.45 = 40,866,897,644.70 : x
  2. Step 2: Convert to fraction form
    68,830,047,606.30/103,245,071,409.45 = 40,866,897,644.70/x
  3. Step 3: Cross multiply
    68,830,047,606.30x = 103,245,071,409.45 × 40,866,897,644.70
  4. Step 4: Simplify right side
    68,830,047,606.30x = 4,219,305,765,609,735,192,576
  5. Step 5: Solve for x
    x = 4,219,305,765,609,735,192,576/68,830,047,606.30
  6. Step 6: Final answer
    x = 61,300,346,467.05

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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.