Home / 93,433,762.88-128,002,113.38-89,940,518

Finding the Fourth Proportional to 93,433,762.88, 128,002,113.38 and 89,940,518

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Solution

The fourth proportional to 93,433,762.88, 128,002,113.38 and 89,940,518 is: 123,216,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,433,762.88 : 128,002,113.38 = 89,940,518 : x
  2. Step 2: Convert to fraction form
    93,433,762.88/128,002,113.38 = 89,940,518/x
  3. Step 3: Cross multiply
    93,433,762.88x = 128,002,113.38 × 89,940,518
  4. Step 4: Simplify right side
    93,433,762.88x = 11,512,576,382,491,930
  5. Step 5: Solve for x
    x = 11,512,576,382,491,930/93,433,762.88
  6. Step 6: Final answer
    x = 123,216,447.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.