Home / 99,628,231.77-149,485,508.78-53,516,300.40

Finding the Fourth Proportional to 99,628,231.77, 149,485,508.78 and 53,516,300.40

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Solution

The fourth proportional to 99,628,231.77, 149,485,508.78 and 53,516,300.40 is: 80,297,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,628,231.77 : 149,485,508.78 = 53,516,300.40 : x
  2. Step 2: Convert to fraction form
    99,628,231.77/149,485,508.78 = 53,516,300.40/x
  3. Step 3: Cross multiply
    99,628,231.77x = 149,485,508.78 × 53,516,300.40
  4. Step 4: Simplify right side
    99,628,231.77x = 7,999,911,393,049,736
  5. Step 5: Solve for x
    x = 7,999,911,393,049,736/99,628,231.77
  6. Step 6: Final answer
    x = 80,297,635.03

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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.