Home / 101,051,372.43-139,450,798.94-54,641,515.59

Finding the Fourth Proportional to 101,051,372.43, 139,450,798.94 and 54,641,515.59

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Solution

The fourth proportional to 101,051,372.43, 139,450,798.94 and 54,641,515.59 is: 75,405,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,051,372.43 : 139,450,798.94 = 54,641,515.59 : x
  2. Step 2: Convert to fraction form
    101,051,372.43/139,450,798.94 = 54,641,515.59/x
  3. Step 3: Cross multiply
    101,051,372.43x = 139,450,798.94 × 54,641,515.59
  4. Step 4: Simplify right side
    101,051,372.43x = 7,619,803,004,044,759
  5. Step 5: Solve for x
    x = 7,619,803,004,044,759/101,051,372.43
  6. Step 6: Final answer
    x = 75,405,240.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.