Home / 71,067,480.30-98,071,317.81-39,705,770.70

Finding the Fourth Proportional to 71,067,480.30, 98,071,317.81 and 39,705,770.70

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Solution

The fourth proportional to 71,067,480.30, 98,071,317.81 and 39,705,770.70 is: 54,792,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,067,480.30 : 98,071,317.81 = 39,705,770.70 : x
  2. Step 2: Convert to fraction form
    71,067,480.30/98,071,317.81 = 39,705,770.70/x
  3. Step 3: Cross multiply
    71,067,480.30x = 98,071,317.81 × 39,705,770.70
  4. Step 4: Simplify right side
    71,067,480.30x = 3,893,997,257,210,686.50
  5. Step 5: Solve for x
    x = 3,893,997,257,210,686.50/71,067,480.30
  6. Step 6: Final answer
    x = 54,792,955.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.