Home / 43,435,151.76-65,053,500.30-20,731,992.24

Finding the Fourth Proportional to 43,435,151.76, 65,053,500.30 and 20,731,992.24

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Solution

The fourth proportional to 43,435,151.76, 65,053,500.30 and 20,731,992.24 is: 31,050,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,435,151.76 : 65,053,500.30 = 20,731,992.24 : x
  2. Step 2: Convert to fraction form
    43,435,151.76/65,053,500.30 = 20,731,992.24/x
  3. Step 3: Cross multiply
    43,435,151.76x = 65,053,500.30 × 20,731,992.24
  4. Step 4: Simplify right side
    43,435,151.76x = 1,348,688,663,404,437.50
  5. Step 5: Solve for x
    x = 1,348,688,663,404,437.50/43,435,151.76
  6. Step 6: Final answer
    x = 31,050,626.25

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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.