Home / 81,381,093.69-112,303,318.52-46,573,036.80

Finding the Fourth Proportional to 81,381,093.69, 112,303,318.52 and 46,573,036.80

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Solution

The fourth proportional to 81,381,093.69, 112,303,318.52 and 46,573,036.80 is: 64,269,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,381,093.69 : 112,303,318.52 = 46,573,036.80 : x
  2. Step 2: Convert to fraction form
    81,381,093.69/112,303,318.52 = 46,573,036.80/x
  3. Step 3: Cross multiply
    81,381,093.69x = 112,303,318.52 × 46,573,036.80
  4. Step 4: Simplify right side
    81,381,093.69x = 5,230,306,585,889,376
  5. Step 5: Solve for x
    x = 5,230,306,585,889,376/81,381,093.69
  6. Step 6: Final answer
    x = 64,269,308.12

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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.