Home / 98,340,390.15-135,706,181.79-54,286,443.19

Finding the Fourth Proportional to 98,340,390.15, 135,706,181.79 and 54,286,443.19

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Solution

The fourth proportional to 98,340,390.15, 135,706,181.79 and 54,286,443.19 is: 74,913,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340,390.15 : 135,706,181.79 = 54,286,443.19 : x
  2. Step 2: Convert to fraction form
    98,340,390.15/135,706,181.79 = 54,286,443.19/x
  3. Step 3: Cross multiply
    98,340,390.15x = 135,706,181.79 × 54,286,443.19
  4. Step 4: Simplify right side
    98,340,390.15x = 7,367,005,928,274,647
  5. Step 5: Solve for x
    x = 7,367,005,928,274,647/98,340,390.15
  6. Step 6: Final answer
    x = 74,913,328.26

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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.