Home / 73,768,936.40-101,802,549.21-40,279,743.29

Finding the Fourth Proportional to 73,768,936.40, 101,802,549.21 and 40,279,743.29

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Solution

The fourth proportional to 73,768,936.40, 101,802,549.21 and 40,279,743.29 is: 55,586,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,768,936.40 : 101,802,549.21 = 40,279,743.29 : x
  2. Step 2: Convert to fraction form
    73,768,936.40/101,802,549.21 = 40,279,743.29/x
  3. Step 3: Cross multiply
    73,768,936.40x = 101,802,549.21 × 40,279,743.29
  4. Step 4: Simplify right side
    73,768,936.40x = 4,100,580,547,937,379
  5. Step 5: Solve for x
    x = 4,100,580,547,937,379/73,768,936.40
  6. Step 6: Final answer
    x = 55,586,819.44

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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.