Home / 61,789,636.80-92,790,743.40-43,720,642.80

Finding the Fourth Proportional to 61,789,636.80, 92,790,743.40 and 43,720,642.80

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Solution

The fourth proportional to 61,789,636.80, 92,790,743.40 and 43,720,642.80 is: 65,656,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789,636.80 : 92,790,743.40 = 43,720,642.80 : x
  2. Step 2: Convert to fraction form
    61,789,636.80/92,790,743.40 = 43,720,642.80/x
  3. Step 3: Cross multiply
    61,789,636.80x = 92,790,743.40 × 43,720,642.80
  4. Step 4: Simplify right side
    61,789,636.80x = 4,056,870,947,337,857.50
  5. Step 5: Solve for x
    x = 4,056,870,947,337,857.50/61,789,636.80
  6. Step 6: Final answer
    x = 65,656,170.80

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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.