Home / 177,959,605.60-266,939,408.40-139,739,010.40

Finding the Fourth Proportional to 177,959,605.60, 266,939,408.40 and 139,739,010.40

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Solution

The fourth proportional to 177,959,605.60, 266,939,408.40 and 139,739,010.40 is: 209,608,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,959,605.60 : 266,939,408.40 = 139,739,010.40 : x
  2. Step 2: Convert to fraction form
    177,959,605.60/266,939,408.40 = 139,739,010.40/x
  3. Step 3: Cross multiply
    177,959,605.60x = 266,939,408.40 × 139,739,010.40
  4. Step 4: Simplify right side
    177,959,605.60x = 37,301,848,766,577,448
  5. Step 5: Solve for x
    x = 37,301,848,766,577,448/177,959,605.60
  6. Step 6: Final answer
    x = 209,608,515.60

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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.