Home / 326,767,432.84-490,247,315.69-105,434,620.59

Finding the Fourth Proportional to 326,767,432.84, 490,247,315.69 and 105,434,620.59

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Solution

The fourth proportional to 326,767,432.84, 490,247,315.69 and 105,434,620.59 is: 158,182,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,767,432.84 : 490,247,315.69 = 105,434,620.59 : x
  2. Step 2: Convert to fraction form
    326,767,432.84/490,247,315.69 = 105,434,620.59/x
  3. Step 3: Cross multiply
    326,767,432.84x = 490,247,315.69 × 105,434,620.59
  4. Step 4: Simplify right side
    326,767,432.84x = 51,689,039,726,352,360
  5. Step 5: Solve for x
    x = 51,689,039,726,352,360/326,767,432.84
  6. Step 6: Final answer
    x = 158,182,959.90

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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.