Home / 68,830,047,799.80-103,245,071,699.70-40,866,897,838.20

Finding the Fourth Proportional to 68,830,047,799.80, 103,245,071,699.70 and 40,866,897,838.20

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Solution

The fourth proportional to 68,830,047,799.80, 103,245,071,699.70 and 40,866,897,838.20 is: 61,300,346,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830,047,799.80 : 103,245,071,699.70 = 40,866,897,838.20 : x
  2. Step 2: Convert to fraction form
    68,830,047,799.80/103,245,071,699.70 = 40,866,897,838.20/x
  3. Step 3: Cross multiply
    68,830,047,799.80x = 103,245,071,699.70 × 40,866,897,838.20
  4. Step 4: Simplify right side
    68,830,047,799.80x = 4,219,305,797,449,273,573,376
  5. Step 5: Solve for x
    x = 4,219,305,797,449,273,573,376/68,830,047,799.80
  6. Step 6: Final answer
    x = 61,300,346,757.30

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1.5x scale

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.