Home / 140,010,378.20-209,952,581.70-53,720,106.20

Finding the Fourth Proportional to 140,010,378.20, 209,952,581.70 and 53,720,106.20

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Solution

The fourth proportional to 140,010,378.20, 209,952,581.70 and 53,720,106.20 is: 80,555,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010,378.20 : 209,952,581.70 = 53,720,106.20 : x
  2. Step 2: Convert to fraction form
    140,010,378.20/209,952,581.70 = 53,720,106.20/x
  3. Step 3: Cross multiply
    140,010,378.20x = 209,952,581.70 × 53,720,106.20
  4. Step 4: Simplify right side
    140,010,378.20x = 11,278,674,985,888,176
  5. Step 5: Solve for x
    x = 11,278,674,985,888,176/140,010,378.20
  6. Step 6: Final answer
    x = 80,555,992.57

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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.