Home / 130,160,945.41-179,621,611.92-71,424,593.46

Finding the Fourth Proportional to 130,160,945.41, 179,621,611.92 and 71,424,593.46

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Solution

The fourth proportional to 130,160,945.41, 179,621,611.92 and 71,424,593.46 is: 98,565,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160,945.41 : 179,621,611.92 = 71,424,593.46 : x
  2. Step 2: Convert to fraction form
    130,160,945.41/179,621,611.92 = 71,424,593.46/x
  3. Step 3: Cross multiply
    130,160,945.41x = 179,621,611.92 × 71,424,593.46
  4. Step 4: Simplify right side
    130,160,945.41x = 12,829,400,608,015,888
  5. Step 5: Solve for x
    x = 12,829,400,608,015,888/130,160,945.41
  6. Step 6: Final answer
    x = 98,565,668.59

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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.