Home / 80,095,309.48-120,071,711.58-28,965,961

Finding the Fourth Proportional to 80,095,309.48, 120,071,711.58 and 28,965,961

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Solution

The fourth proportional to 80,095,309.48, 120,071,711.58 and 28,965,961 is: 43,423,173.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,095,309.48 : 120,071,711.58 = 28,965,961 : x
  2. Step 2: Convert to fraction form
    80,095,309.48/120,071,711.58 = 28,965,961/x
  3. Step 3: Cross multiply
    80,095,309.48x = 120,071,711.58 × 28,965,961
  4. Step 4: Simplify right side
    80,095,309.48x = 3,477,992,514,829,528.50
  5. Step 5: Solve for x
    x = 3,477,992,514,829,528.50/80,095,309.48
  6. Step 6: Final answer
    x = 43,423,173.43

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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.