Home / 84,278,285.90-116,313,473.31-47,611,218.86

Finding the Fourth Proportional to 84,278,285.90, 116,313,473.31 and 47,611,218.86

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Solution

The fourth proportional to 84,278,285.90, 116,313,473.31 and 47,611,218.86 is: 65,708,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,278,285.90 : 116,313,473.31 = 47,611,218.86 : x
  2. Step 2: Convert to fraction form
    84,278,285.90/116,313,473.31 = 47,611,218.86/x
  3. Step 3: Cross multiply
    84,278,285.90x = 116,313,473.31 × 47,611,218.86
  4. Step 4: Simplify right side
    84,278,285.90x = 5,537,826,234,129,179
  5. Step 5: Solve for x
    x = 5,537,826,234,129,179/84,278,285.90
  6. Step 6: Final answer
    x = 65,708,814.26

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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.