Home / 119,071,466,766.72-178,642,052,891.05-38,395,547,639.54

Finding the Fourth Proportional to 119,071,466,766.72, 178,642,052,891.05 and 38,395,547,639.54

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Solution

The fourth proportional to 119,071,466,766.72, 178,642,052,891.05 and 38,395,547,639.54 is: 57,604,560,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,071,466,766.72 : 178,642,052,891.05 = 38,395,547,639.54 : x
  2. Step 2: Convert to fraction form
    119,071,466,766.72/178,642,052,891.05 = 38,395,547,639.54/x
  3. Step 3: Cross multiply
    119,071,466,766.72x = 178,642,052,891.05 × 38,395,547,639.54
  4. Step 4: Simplify right side
    119,071,466,766.72x = 6,859,059,452,202,641,784,832
  5. Step 5: Solve for x
    x = 6,859,059,452,202,641,784,832/119,071,466,766.72
  6. Step 6: Final answer
    x = 57,604,560,004.63

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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.