Home / 46,429,647.26-69,646,020.01-20,870,732.30

Finding the Fourth Proportional to 46,429,647.26, 69,646,020.01 and 20,870,732.30

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Solution

The fourth proportional to 46,429,647.26, 69,646,020.01 and 20,870,732.30 is: 31,306,794.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,429,647.26 : 69,646,020.01 = 20,870,732.30 : x
  2. Step 2: Convert to fraction form
    46,429,647.26/69,646,020.01 = 20,870,732.30/x
  3. Step 3: Cross multiply
    46,429,647.26x = 69,646,020.01 × 20,870,732.30
  4. Step 4: Simplify right side
    46,429,647.26x = 1,453,563,438,988,746.25
  5. Step 5: Solve for x
    x = 1,453,563,438,988,746.25/46,429,647.26
  6. Step 6: Final answer
    x = 31,306,794.79

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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.