Home / 130,017,775.88-179,424,487.41-71,279,181.35

Finding the Fourth Proportional to 130,017,775.88, 179,424,487.41 and 71,279,181.35

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Solution

The fourth proportional to 130,017,775.88, 179,424,487.41 and 71,279,181.35 is: 98,365,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,017,775.88 : 179,424,487.41 = 71,279,181.35 : x
  2. Step 2: Convert to fraction form
    130,017,775.88/179,424,487.41 = 71,279,181.35/x
  3. Step 3: Cross multiply
    130,017,775.88x = 179,424,487.41 × 71,279,181.35
  4. Step 4: Simplify right side
    130,017,775.88x = 12,789,230,576,728,180
  5. Step 5: Solve for x
    x = 12,789,230,576,728,180/130,017,775.88
  6. Step 6: Final answer
    x = 98,365,246.52

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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.