Home / 69,984,340.20-105,028,998.30-35,888,135.40

Finding the Fourth Proportional to 69,984,340.20, 105,028,998.30 and 35,888,135.40

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Solution

The fourth proportional to 69,984,340.20, 105,028,998.30 and 35,888,135.40 is: 53,859,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,340.20 : 105,028,998.30 = 35,888,135.40 : x
  2. Step 2: Convert to fraction form
    69,984,340.20/105,028,998.30 = 35,888,135.40/x
  3. Step 3: Cross multiply
    69,984,340.20x = 105,028,998.30 × 35,888,135.40
  4. Step 4: Simplify right side
    69,984,340.20x = 3,769,294,911,916,769.50
  5. Step 5: Solve for x
    x = 3,769,294,911,916,769.50/69,984,340.20
  6. Step 6: Final answer
    x = 53,859,119.07

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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.