Home / 129,344,554.80-194,016,832.20-61,320,106.80

Finding the Fourth Proportional to 129,344,554.80, 194,016,832.20 and 61,320,106.80

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Solution

The fourth proportional to 129,344,554.80, 194,016,832.20 and 61,320,106.80 is: 91,980,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,554.80 : 194,016,832.20 = 61,320,106.80 : x
  2. Step 2: Convert to fraction form
    129,344,554.80/194,016,832.20 = 61,320,106.80/x
  3. Step 3: Cross multiply
    129,344,554.80x = 194,016,832.20 × 61,320,106.80
  4. Step 4: Simplify right side
    129,344,554.80x = 11,897,132,871,501,678
  5. Step 5: Solve for x
    x = 11,897,132,871,501,678/129,344,554.80
  6. Step 6: Final answer
    x = 91,980,160.20

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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.