Home / 93,433,760.88-128,002,110.65-89,940,516

Finding the Fourth Proportional to 93,433,760.88, 128,002,110.65 and 89,940,516

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Solution

The fourth proportional to 93,433,760.88, 128,002,110.65 and 89,940,516 is: 123,216,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,433,760.88 : 128,002,110.65 = 89,940,516 : x
  2. Step 2: Convert to fraction form
    93,433,760.88/128,002,110.65 = 89,940,516/x
  3. Step 3: Cross multiply
    93,433,760.88x = 128,002,110.65 × 89,940,516
  4. Step 4: Simplify right side
    93,433,760.88x = 11,512,575,880,500,392
  5. Step 5: Solve for x
    x = 11,512,575,880,500,392/93,433,760.88
  6. Step 6: Final answer
    x = 123,216,445.23

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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.