Home / 97,471,338.40-146,207,007.60-82,165,837.60

Finding the Fourth Proportional to 97,471,338.40, 146,207,007.60 and 82,165,837.60

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Solution

The fourth proportional to 97,471,338.40, 146,207,007.60 and 82,165,837.60 is: 123,248,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,471,338.40 : 146,207,007.60 = 82,165,837.60 : x
  2. Step 2: Convert to fraction form
    97,471,338.40/146,207,007.60 = 82,165,837.60/x
  3. Step 3: Cross multiply
    97,471,338.40x = 146,207,007.60 × 82,165,837.60
  4. Step 4: Simplify right side
    97,471,338.40x = 12,013,221,242,443,564
  5. Step 5: Solve for x
    x = 12,013,221,242,443,564/97,471,338.40
  6. Step 6: Final answer
    x = 123,248,756.40

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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.