Home / 245,014,912.40-367,416,080.40-81,189,366.80

Finding the Fourth Proportional to 245,014,912.40, 367,416,080.40 and 81,189,366.80

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Solution

The fourth proportional to 245,014,912.40, 367,416,080.40 and 81,189,366.80 is: 121,748,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,014,912.40 : 367,416,080.40 = 81,189,366.80 : x
  2. Step 2: Convert to fraction form
    245,014,912.40/367,416,080.40 = 81,189,366.80/x
  3. Step 3: Cross multiply
    245,014,912.40x = 367,416,080.40 × 81,189,366.80
  4. Step 4: Simplify right side
    245,014,912.40x = 29,830,278,919,813,888
  5. Step 5: Solve for x
    x = 29,830,278,919,813,888/245,014,912.40
  6. Step 6: Final answer
    x = 121,748,830.01

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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.