Home / 64,553,076.33-89,043,443.87-39,423,396.57

Finding the Fourth Proportional to 64,553,076.33, 89,043,443.87 and 39,423,396.57

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Solution

The fourth proportional to 64,553,076.33, 89,043,443.87 and 39,423,396.57 is: 54,379,980.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,553,076.33 : 89,043,443.87 = 39,423,396.57 : x
  2. Step 2: Convert to fraction form
    64,553,076.33/89,043,443.87 = 39,423,396.57/x
  3. Step 3: Cross multiply
    64,553,076.33x = 89,043,443.87 × 39,423,396.57
  4. Step 4: Simplify right side
    64,553,076.33x = 3,510,394,999,645,545.50
  5. Step 5: Solve for x
    x = 3,510,394,999,645,545.50/64,553,076.33
  6. Step 6: Final answer
    x = 54,379,980.00

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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.