Home / 77,684,210.80-107,196,578.44-42,874,659.25

Finding the Fourth Proportional to 77,684,210.80, 107,196,578.44 and 42,874,659.25

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Solution

The fourth proportional to 77,684,210.80, 107,196,578.44 and 42,874,659.25 is: 59,162,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,684,210.80 : 107,196,578.44 = 42,874,659.25 : x
  2. Step 2: Convert to fraction form
    77,684,210.80/107,196,578.44 = 42,874,659.25/x
  3. Step 3: Cross multiply
    77,684,210.80x = 107,196,578.44 × 42,874,659.25
  4. Step 4: Simplify right side
    77,684,210.80x = 4,596,016,773,380,896
  5. Step 5: Solve for x
    x = 4,596,016,773,380,896/77,684,210.80
  6. Step 6: Final answer
    x = 59,162,817.34

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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.