Home / 130,385,065.04-179,932,821.96-71,647,745.36

Finding the Fourth Proportional to 130,385,065.04, 179,932,821.96 and 71,647,745.36

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Solution

The fourth proportional to 130,385,065.04, 179,932,821.96 and 71,647,745.36 is: 98,874,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,065.04 : 179,932,821.96 = 71,647,745.36 : x
  2. Step 2: Convert to fraction form
    130,385,065.04/179,932,821.96 = 71,647,745.36/x
  3. Step 3: Cross multiply
    130,385,065.04x = 179,932,821.96 × 71,647,745.36
  4. Step 4: Simplify right side
    130,385,065.04x = 12,891,781,009,696,296
  5. Step 5: Solve for x
    x = 12,891,781,009,696,296/130,385,065.04
  6. Step 6: Final answer
    x = 98,874,675.61

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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.