Home / 109,416,020.20-164,124,030.30-45,582,317.80

Finding the Fourth Proportional to 109,416,020.20, 164,124,030.30 and 45,582,317.80

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Solution

The fourth proportional to 109,416,020.20, 164,124,030.30 and 45,582,317.80 is: 68,373,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,416,020.20 : 164,124,030.30 = 45,582,317.80 : x
  2. Step 2: Convert to fraction form
    109,416,020.20/164,124,030.30 = 45,582,317.80/x
  3. Step 3: Cross multiply
    109,416,020.20x = 164,124,030.30 × 45,582,317.80
  4. Step 4: Simplify right side
    109,416,020.20x = 7,481,153,707,751,429
  5. Step 5: Solve for x
    x = 7,481,153,707,751,429/109,416,020.20
  6. Step 6: Final answer
    x = 68,373,476.70

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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.