Home / 82,409,432,855.40-123,614,149,283.10-20,371,136,279.40

Finding the Fourth Proportional to 82,409,432,855.40, 123,614,149,283.10 and 20,371,136,279.40

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Solution

The fourth proportional to 82,409,432,855.40, 123,614,149,283.10 and 20,371,136,279.40 is: 30,556,704,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,409,432,855.40 : 123,614,149,283.10 = 20,371,136,279.40 : x
  2. Step 2: Convert to fraction form
    82,409,432,855.40/123,614,149,283.10 = 20,371,136,279.40/x
  3. Step 3: Cross multiply
    82,409,432,855.40x = 123,614,149,283.10 × 20,371,136,279.40
  4. Step 4: Simplify right side
    82,409,432,855.40x = 2,518,160,681,108,126,040,064
  5. Step 5: Solve for x
    x = 2,518,160,681,108,126,040,064/82,409,432,855.40
  6. Step 6: Final answer
    x = 30,556,704,419.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.