Home / 70,167,371.31-96,820,215.14-40,392,263.87

Finding the Fourth Proportional to 70,167,371.31, 96,820,215.14 and 40,392,263.87

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Solution

The fourth proportional to 70,167,371.31, 96,820,215.14 and 40,392,263.87 is: 55,735,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,167,371.31 : 96,820,215.14 = 40,392,263.87 : x
  2. Step 2: Convert to fraction form
    70,167,371.31/96,820,215.14 = 40,392,263.87/x
  3. Step 3: Cross multiply
    70,167,371.31x = 96,820,215.14 × 40,392,263.87
  4. Step 4: Simplify right side
    70,167,371.31x = 3,910,787,677,885,049
  5. Step 5: Solve for x
    x = 3,910,787,677,885,049/70,167,371.31
  6. Step 6: Final answer
    x = 55,735,131.66

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1.5x scale

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.