Home / 93,433,872.96-128,002,264.38-89,940,628.08

Finding the Fourth Proportional to 93,433,872.96, 128,002,264.38 and 89,940,628.08

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Solution

The fourth proportional to 93,433,872.96, 128,002,264.38 and 89,940,628.08 is: 123,216,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,433,872.96 : 128,002,264.38 = 89,940,628.08 : x
  2. Step 2: Convert to fraction form
    93,433,872.96/128,002,264.38 = 89,940,628.08/x
  3. Step 3: Cross multiply
    93,433,872.96x = 128,002,264.38 × 89,940,628.08
  4. Step 4: Simplify right side
    93,433,872.96x = 11,512,604,053,999,412
  5. Step 5: Solve for x
    x = 11,512,604,053,999,412/93,433,872.96
  6. Step 6: Final answer
    x = 123,216,598.96

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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.