Home / 55,085,703.60-82,628,555.40-45,511,892.40

Finding the Fourth Proportional to 55,085,703.60, 82,628,555.40 and 45,511,892.40

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Solution

The fourth proportional to 55,085,703.60, 82,628,555.40 and 45,511,892.40 is: 68,267,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,085,703.60 : 82,628,555.40 = 45,511,892.40 : x
  2. Step 2: Convert to fraction form
    55,085,703.60/82,628,555.40 = 45,511,892.40/x
  3. Step 3: Cross multiply
    55,085,703.60x = 82,628,555.40 × 45,511,892.40
  4. Step 4: Simplify right side
    55,085,703.60x = 3,760,581,922,532,239
  5. Step 5: Solve for x
    x = 3,760,581,922,532,239/55,085,703.60
  6. Step 6: Final answer
    x = 68,267,838.60

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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.