Home / 70,167,370.31-96,820,213.76-40,392,262.87

Finding the Fourth Proportional to 70,167,370.31, 96,820,213.76 and 40,392,262.87

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Solution

The fourth proportional to 70,167,370.31, 96,820,213.76 and 40,392,262.87 is: 55,735,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167,370.31 : 96,820,213.76 = 40,392,262.87 : x
  2. Step 2: Convert to fraction form
    70,167,370.31/96,820,213.76 = 40,392,262.87/x
  3. Step 3: Cross multiply
    70,167,370.31x = 96,820,213.76 × 40,392,262.87
  4. Step 4: Simplify right side
    70,167,370.31x = 3,910,787,525,598,226.50
  5. Step 5: Solve for x
    x = 3,910,787,525,598,226.50/70,167,370.31
  6. Step 6: Final answer
    x = 55,735,130.28

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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.