Home / 130,002,298,880.18-179,404,626,862.60-72,131,726,536.34

Finding the Fourth Proportional to 130,002,298,880.18, 179,404,626,862.60 and 72,131,726,536.34

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Solution

The fourth proportional to 130,002,298,880.18, 179,404,626,862.60 and 72,131,726,536.34 is: 99,542,589,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002,298,880.18 : 179,404,626,862.60 = 72,131,726,536.34 : x
  2. Step 2: Convert to fraction form
    130,002,298,880.18/179,404,626,862.60 = 72,131,726,536.34/x
  3. Step 3: Cross multiply
    130,002,298,880.18x = 179,404,626,862.60 × 72,131,726,536.34
  4. Step 4: Simplify right side
    130,002,298,880.18x = 12,940,765,484,207,180,873,728
  5. Step 5: Solve for x
    x = 12,940,765,484,207,180,873,728/130,002,298,880.18
  6. Step 6: Final answer
    x = 99,542,589,597.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.