Home / 112,357,421.80-168,284,190.30-92,202,029.80

Finding the Fourth Proportional to 112,357,421.80, 168,284,190.30 and 92,202,029.80

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Solution

The fourth proportional to 112,357,421.80, 168,284,190.30 and 92,202,029.80 is: 138,096,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,357,421.80 : 168,284,190.30 = 92,202,029.80 : x
  2. Step 2: Convert to fraction form
    112,357,421.80/168,284,190.30 = 92,202,029.80/x
  3. Step 3: Cross multiply
    112,357,421.80x = 168,284,190.30 × 92,202,029.80
  4. Step 4: Simplify right side
    112,357,421.80x = 15,516,143,928,909,472
  5. Step 5: Solve for x
    x = 15,516,143,928,909,472/112,357,421.80
  6. Step 6: Final answer
    x = 138,096,297.34

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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.