Home / 68,830,047,615.30-103,245,071,422.95-40,866,897,653.70

Finding the Fourth Proportional to 68,830,047,615.30, 103,245,071,422.95 and 40,866,897,653.70

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Solution

The fourth proportional to 68,830,047,615.30, 103,245,071,422.95 and 40,866,897,653.70 is: 61,300,346,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830,047,615.30 : 103,245,071,422.95 = 40,866,897,653.70 : x
  2. Step 2: Convert to fraction form
    68,830,047,615.30/103,245,071,422.95 = 40,866,897,653.70/x
  3. Step 3: Cross multiply
    68,830,047,615.30x = 103,245,071,422.95 × 40,866,897,653.70
  4. Step 4: Simplify right side
    68,830,047,615.30x = 4,219,305,767,090,643,795,968
  5. Step 5: Solve for x
    x = 4,219,305,767,090,643,795,968/68,830,047,615.30
  6. Step 6: Final answer
    x = 61,300,346,480.55

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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.