Home / 98,354,230.77-135,740,740.66-55,978,093.90

Finding the Fourth Proportional to 98,354,230.77, 135,740,740.66 and 55,978,093.90

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Solution

The fourth proportional to 98,354,230.77, 135,740,740.66 and 55,978,093.90 is: 77,256,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,354,230.77 : 135,740,740.66 = 55,978,093.90 : x
  2. Step 2: Convert to fraction form
    98,354,230.77/135,740,740.66 = 55,978,093.90/x
  3. Step 3: Cross multiply
    98,354,230.77x = 135,740,740.66 × 55,978,093.90
  4. Step 4: Simplify right side
    98,354,230.77x = 7,598,507,926,441,137
  5. Step 5: Solve for x
    x = 7,598,507,926,441,137/98,354,230.77
  6. Step 6: Final answer
    x = 77,256,543.69

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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.