Home / 74,645,914.12-111,968,773.80-20,058,500.32

Finding the Fourth Proportional to 74,645,914.12, 111,968,773.80 and 20,058,500.32

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Solution

The fourth proportional to 74,645,914.12, 111,968,773.80 and 20,058,500.32 is: 30,087,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,645,914.12 : 111,968,773.80 = 20,058,500.32 : x
  2. Step 2: Convert to fraction form
    74,645,914.12/111,968,773.80 = 20,058,500.32/x
  3. Step 3: Cross multiply
    74,645,914.12x = 111,968,773.80 × 20,058,500.32
  4. Step 4: Simplify right side
    74,645,914.12x = 2,245,925,685,097,307.50
  5. Step 5: Solve for x
    x = 2,245,925,685,097,307.50/74,645,914.12
  6. Step 6: Final answer
    x = 30,087,724.31

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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.