Home / 97,471,427.90-146,207,141.85-82,165,927.10

Finding the Fourth Proportional to 97,471,427.90, 146,207,141.85 and 82,165,927.10

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Solution

The fourth proportional to 97,471,427.90, 146,207,141.85 and 82,165,927.10 is: 123,248,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,471,427.90 : 146,207,141.85 = 82,165,927.10 : x
  2. Step 2: Convert to fraction form
    97,471,427.90/146,207,141.85 = 82,165,927.10/x
  3. Step 3: Cross multiply
    97,471,427.90x = 146,207,141.85 × 82,165,927.10
  4. Step 4: Simplify right side
    97,471,427.90x = 12,013,245,358,746,458
  5. Step 5: Solve for x
    x = 12,013,245,358,746,458/97,471,427.90
  6. Step 6: Final answer
    x = 123,248,890.65

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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.