Home / 100,173,559.68-149,925,529.44-57,031,181.28

Finding the Fourth Proportional to 100,173,559.68, 149,925,529.44 and 57,031,181.28

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Solution

The fourth proportional to 100,173,559.68, 149,925,529.44 and 57,031,181.28 is: 85,356,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,173,559.68 : 149,925,529.44 = 57,031,181.28 : x
  2. Step 2: Convert to fraction form
    100,173,559.68/149,925,529.44 = 57,031,181.28/x
  3. Step 3: Cross multiply
    100,173,559.68x = 149,925,529.44 × 57,031,181.28
  4. Step 4: Simplify right side
    100,173,559.68x = 8,550,430,047,992,617
  5. Step 5: Solve for x
    x = 8,550,430,047,992,617/100,173,559.68
  6. Step 6: Final answer
    x = 85,356,156.61

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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.