Home / 130,017,775.38-179,424,486.72-71,279,180.85

Finding the Fourth Proportional to 130,017,775.38, 179,424,486.72 and 71,279,180.85

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Solution

The fourth proportional to 130,017,775.38, 179,424,486.72 and 71,279,180.85 is: 98,365,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,017,775.38 : 179,424,486.72 = 71,279,180.85 : x
  2. Step 2: Convert to fraction form
    130,017,775.38/179,424,486.72 = 71,279,180.85/x
  3. Step 3: Cross multiply
    130,017,775.38x = 179,424,486.72 × 71,279,180.85
  4. Step 4: Simplify right side
    130,017,775.38x = 12,789,230,437,833,302
  5. Step 5: Solve for x
    x = 12,789,230,437,833,302/130,017,775.38
  6. Step 6: Final answer
    x = 98,365,245.83

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1.5x scale

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.