Home / 174,029,622.30-261,040,641.30-81,862,273.53

Finding the Fourth Proportional to 174,029,622.30, 261,040,641.30 and 81,862,273.53

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Solution

The fourth proportional to 174,029,622.30, 261,040,641.30 and 81,862,273.53 is: 122,791,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,029,622.30 : 261,040,641.30 = 81,862,273.53 : x
  2. Step 2: Convert to fraction form
    174,029,622.30/261,040,641.30 = 81,862,273.53/x
  3. Step 3: Cross multiply
    174,029,622.30x = 261,040,641.30 × 81,862,273.53
  4. Step 4: Simplify right side
    174,029,622.30x = 21,369,380,380,547,216
  5. Step 5: Solve for x
    x = 21,369,380,380,547,216/174,029,622.30
  6. Step 6: Final answer
    x = 122,791,626.50

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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.