Home / 98,137,181.87-135,405,526.12-55,741,310.25

Finding the Fourth Proportional to 98,137,181.87, 135,405,526.12 and 55,741,310.25

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Solution

The fourth proportional to 98,137,181.87, 135,405,526.12 and 55,741,310.25 is: 76,909,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,137,181.87 : 135,405,526.12 = 55,741,310.25 : x
  2. Step 2: Convert to fraction form
    98,137,181.87/135,405,526.12 = 55,741,310.25/x
  3. Step 3: Cross multiply
    98,137,181.87x = 135,405,526.12 × 55,741,310.25
  4. Step 4: Simplify right side
    98,137,181.87x = 7,547,681,441,019,399
  5. Step 5: Solve for x
    x = 7,547,681,441,019,399/98,137,181.87
  6. Step 6: Final answer
    x = 76,909,498.49

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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.