Home / 68,830,047,757.80-103,245,071,636.70-40,866,897,796.20

Finding the Fourth Proportional to 68,830,047,757.80, 103,245,071,636.70 and 40,866,897,796.20

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Solution

The fourth proportional to 68,830,047,757.80, 103,245,071,636.70 and 40,866,897,796.20 is: 61,300,346,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830,047,757.80 : 103,245,071,636.70 = 40,866,897,796.20 : x
  2. Step 2: Convert to fraction form
    68,830,047,757.80/103,245,071,636.70 = 40,866,897,796.20/x
  3. Step 3: Cross multiply
    68,830,047,757.80x = 103,245,071,636.70 × 40,866,897,796.20
  4. Step 4: Simplify right side
    68,830,047,757.80x = 4,219,305,790,538,366,058,496
  5. Step 5: Solve for x
    x = 4,219,305,790,538,366,058,496/68,830,047,757.80
  6. Step 6: Final answer
    x = 61,300,346,694.30

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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.