Home / 43,138,047.43-64,708,399.77-18,864,479.77

Finding the Fourth Proportional to 43,138,047.43, 64,708,399.77 and 18,864,479.77

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Solution

The fourth proportional to 43,138,047.43, 64,708,399.77 and 18,864,479.77 is: 28,297,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,047.43 : 64,708,399.77 = 18,864,479.77 : x
  2. Step 2: Convert to fraction form
    43,138,047.43/64,708,399.77 = 18,864,479.77/x
  3. Step 3: Cross multiply
    43,138,047.43x = 64,708,399.77 × 18,864,479.77
  4. Step 4: Simplify right side
    43,138,047.43x = 1,220,690,298,410,237.75
  5. Step 5: Solve for x
    x = 1,220,690,298,410,237.75/43,138,047.43
  6. Step 6: Final answer
    x = 28,297,300.67

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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.