Home / 98,340,550.72-135,706,402.54-54,286,603.36

Finding the Fourth Proportional to 98,340,550.72, 135,706,402.54 and 54,286,603.36

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Solution

The fourth proportional to 98,340,550.72, 135,706,402.54 and 54,286,603.36 is: 74,913,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340,550.72 : 135,706,402.54 = 54,286,603.36 : x
  2. Step 2: Convert to fraction form
    98,340,550.72/135,706,402.54 = 54,286,603.36/x
  3. Step 3: Cross multiply
    98,340,550.72x = 135,706,402.54 × 54,286,603.36
  4. Step 4: Simplify right side
    98,340,550.72x = 7,367,039,648,101,476
  5. Step 5: Solve for x
    x = 7,367,039,648,101,476/98,340,550.72
  6. Step 6: Final answer
    x = 74,913,548.83

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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.