Home / 89,168,936.40-133,627,433.40-65,958,742.80

Finding the Fourth Proportional to 89,168,936.40, 133,627,433.40 and 65,958,742.80

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Solution

The fourth proportional to 89,168,936.40, 133,627,433.40 and 65,958,742.80 is: 98,844,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,168,936.40 : 133,627,433.40 = 65,958,742.80 : x
  2. Step 2: Convert to fraction form
    89,168,936.40/133,627,433.40 = 65,958,742.80/x
  3. Step 3: Cross multiply
    89,168,936.40x = 133,627,433.40 × 65,958,742.80
  4. Step 4: Simplify right side
    89,168,936.40x = 8,813,897,510,654,730
  5. Step 5: Solve for x
    x = 8,813,897,510,654,730/89,168,936.40
  6. Step 6: Final answer
    x = 98,844,932.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.