Home / 139,008,457.80-208,580,001.90-57,187,801.80

Finding the Fourth Proportional to 139,008,457.80, 208,580,001.90 and 57,187,801.80

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Solution

The fourth proportional to 139,008,457.80, 208,580,001.90 and 57,187,801.80 is: 85,809,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,008,457.80 : 208,580,001.90 = 57,187,801.80 : x
  2. Step 2: Convert to fraction form
    139,008,457.80/208,580,001.90 = 57,187,801.80/x
  3. Step 3: Cross multiply
    139,008,457.80x = 208,580,001.90 × 57,187,801.80
  4. Step 4: Simplify right side
    139,008,457.80x = 11,928,231,808,100,824
  5. Step 5: Solve for x
    x = 11,928,231,808,100,824/139,008,457.80
  6. Step 6: Final answer
    x = 85,809,396.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.