Home / 81,920,875.86-113,050,464.18-45,251,446.86

Finding the Fourth Proportional to 81,920,875.86, 113,050,464.18 and 45,251,446.86

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Solution

The fourth proportional to 81,920,875.86, 113,050,464.18 and 45,251,446.86 is: 62,446,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,920,875.86 : 113,050,464.18 = 45,251,446.86 : x
  2. Step 2: Convert to fraction form
    81,920,875.86/113,050,464.18 = 45,251,446.86/x
  3. Step 3: Cross multiply
    81,920,875.86x = 113,050,464.18 × 45,251,446.86
  4. Step 4: Simplify right side
    81,920,875.86x = 5,115,697,072,339,604
  5. Step 5: Solve for x
    x = 5,115,697,072,339,604/81,920,875.86
  6. Step 6: Final answer
    x = 62,446,806.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.