Home / 98,354,241.19-135,740,754.74-55,978,103.77

Finding the Fourth Proportional to 98,354,241.19, 135,740,754.74 and 55,978,103.77

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Solution

The fourth proportional to 98,354,241.19, 135,740,754.74 and 55,978,103.77 is: 77,256,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,354,241.19 : 135,740,754.74 = 55,978,103.77 : x
  2. Step 2: Convert to fraction form
    98,354,241.19/135,740,754.74 = 55,978,103.77/x
  3. Step 3: Cross multiply
    98,354,241.19x = 135,740,754.74 × 55,978,103.77
  4. Step 4: Simplify right side
    98,354,241.19x = 7,598,510,054,653,840
  5. Step 5: Solve for x
    x = 7,598,510,054,653,840/98,354,241.19
  6. Step 6: Final answer
    x = 77,256,557.14

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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.