Home / 125,600,443.02-188,400,679.11-39,345,571.26

Finding the Fourth Proportional to 125,600,443.02, 188,400,679.11 and 39,345,571.26

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Solution

The fourth proportional to 125,600,443.02, 188,400,679.11 and 39,345,571.26 is: 59,018,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,600,443.02 : 188,400,679.11 = 39,345,571.26 : x
  2. Step 2: Convert to fraction form
    125,600,443.02/188,400,679.11 = 39,345,571.26/x
  3. Step 3: Cross multiply
    125,600,443.02x = 188,400,679.11 × 39,345,571.26
  4. Step 4: Simplify right side
    125,600,443.02x = 7,412,732,345,354,899
  5. Step 5: Solve for x
    x = 7,412,732,345,354,899/125,600,443.02
  6. Step 6: Final answer
    x = 59,018,361.46

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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.