Home / 80,063,332.47-120,051,832.19-43,194,983.67

Finding the Fourth Proportional to 80,063,332.47, 120,051,832.19 and 43,194,983.67

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Solution

The fourth proportional to 80,063,332.47, 120,051,832.19 and 43,194,983.67 is: 64,769,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063,332.47 : 120,051,832.19 = 43,194,983.67 : x
  2. Step 2: Convert to fraction form
    80,063,332.47/120,051,832.19 = 43,194,983.67/x
  3. Step 3: Cross multiply
    80,063,332.47x = 120,051,832.19 × 43,194,983.67
  4. Step 4: Simplify right side
    80,063,332.47x = 5,185,636,930,784,656
  5. Step 5: Solve for x
    x = 5,185,636,930,784,656/80,063,332.47
  6. Step 6: Final answer
    x = 64,769,186.73

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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.