Home / 134,939,412.46-186,228,871.40-82,003,903.05

Finding the Fourth Proportional to 134,939,412.46, 186,228,871.40 and 82,003,903.05

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Solution

The fourth proportional to 134,939,412.46, 186,228,871.40 and 82,003,903.05 is: 113,172,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,939,412.46 : 186,228,871.40 = 82,003,903.05 : x
  2. Step 2: Convert to fraction form
    134,939,412.46/186,228,871.40 = 82,003,903.05/x
  3. Step 3: Cross multiply
    134,939,412.46x = 186,228,871.40 × 82,003,903.05
  4. Step 4: Simplify right side
    134,939,412.46x = 15,271,494,315,601,528
  5. Step 5: Solve for x
    x = 15,271,494,315,601,528/134,939,412.46
  6. Step 6: Final answer
    x = 113,172,971.76

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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.