Home / 80,123,820.30-120,311,701.65-46,111,596.30

Finding the Fourth Proportional to 80,123,820.30, 120,311,701.65 and 46,111,596.30

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Solution

The fourth proportional to 80,123,820.30, 120,311,701.65 and 46,111,596.30 is: 69,239,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123,820.30 : 120,311,701.65 = 46,111,596.30 : x
  2. Step 2: Convert to fraction form
    80,123,820.30/120,311,701.65 = 46,111,596.30/x
  3. Step 3: Cross multiply
    80,123,820.30x = 120,311,701.65 × 46,111,596.30
  4. Step 4: Simplify right side
    80,123,820.30x = 5,547,764,616,650,844
  5. Step 5: Solve for x
    x = 5,547,764,616,650,844/80,123,820.30
  6. Step 6: Final answer
    x = 69,239,891.41

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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.