Home / 93,338,910.50-128,856,073.12-68,192,783.08

Finding the Fourth Proportional to 93,338,910.50, 128,856,073.12 and 68,192,783.08

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Solution

The fourth proportional to 93,338,910.50, 128,856,073.12 and 68,192,783.08 is: 94,141,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,338,910.50 : 128,856,073.12 = 68,192,783.08 : x
  2. Step 2: Convert to fraction form
    93,338,910.50/128,856,073.12 = 68,192,783.08/x
  3. Step 3: Cross multiply
    93,338,910.50x = 128,856,073.12 × 68,192,783.08
  4. Step 4: Simplify right side
    93,338,910.50x = 8,787,054,242,320,157
  5. Step 5: Solve for x
    x = 8,787,054,242,320,157/93,338,910.50
  6. Step 6: Final answer
    x = 94,141,384.29

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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.