Home / 104,916,396.72-144,784,766.96-57,872,409

Finding the Fourth Proportional to 104,916,396.72, 144,784,766.96 and 57,872,409

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Solution

The fourth proportional to 104,916,396.72, 144,784,766.96 and 57,872,409 is: 79,864,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,916,396.72 : 144,784,766.96 = 57,872,409 : x
  2. Step 2: Convert to fraction form
    104,916,396.72/144,784,766.96 = 57,872,409/x
  3. Step 3: Cross multiply
    104,916,396.72x = 144,784,766.96 × 57,872,409
  4. Step 4: Simplify right side
    104,916,396.72x = 8,379,043,250,478,807
  5. Step 5: Solve for x
    x = 8,379,043,250,478,807/104,916,396.72
  6. Step 6: Final answer
    x = 79,864,001.36

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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.