Home / 124,089,057.57-171,237,375.45-71,127,797.07

Finding the Fourth Proportional to 124,089,057.57, 171,237,375.45 and 71,127,797.07

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Solution

The fourth proportional to 124,089,057.57, 171,237,375.45 and 71,127,797.07 is: 98,153,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,089,057.57 : 171,237,375.45 = 71,127,797.07 : x
  2. Step 2: Convert to fraction form
    124,089,057.57/171,237,375.45 = 71,127,797.07/x
  3. Step 3: Cross multiply
    124,089,057.57x = 171,237,375.45 × 71,127,797.07
  4. Step 4: Simplify right side
    124,089,057.57x = 12,179,737,291,806,998
  5. Step 5: Solve for x
    x = 12,179,737,291,806,998/124,089,057.57
  6. Step 6: Final answer
    x = 98,153,193.60

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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.