Home / 82,164,986,420.67-123,161,459,988.78-34,385,370,929.96

Finding the Fourth Proportional to 82,164,986,420.67, 123,161,459,988.78 and 34,385,370,929.96

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Solution

The fourth proportional to 82,164,986,420.67, 123,161,459,988.78 and 34,385,370,929.96 is: 51,542,057,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,164,986,420.67 : 123,161,459,988.78 = 34,385,370,929.96 : x
  2. Step 2: Convert to fraction form
    82,164,986,420.67/123,161,459,988.78 = 34,385,370,929.96/x
  3. Step 3: Cross multiply
    82,164,986,420.67x = 123,161,459,988.78 × 34,385,370,929.96
  4. Step 4: Simplify right side
    82,164,986,420.67x = 4,234,952,485,989,135,155,200
  5. Step 5: Solve for x
    x = 4,234,952,485,989,135,155,200/82,164,986,420.67
  6. Step 6: Final answer
    x = 51,542,057,882.26

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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.