Home / 81,954,934.56-113,109,345.96-52,176,070.74

Finding the Fourth Proportional to 81,954,934.56, 113,109,345.96 and 52,176,070.74

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Solution

The fourth proportional to 81,954,934.56, 113,109,345.96 and 52,176,070.74 is: 72,010,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,954,934.56 : 113,109,345.96 = 52,176,070.74 : x
  2. Step 2: Convert to fraction form
    81,954,934.56/113,109,345.96 = 52,176,070.74/x
  3. Step 3: Cross multiply
    81,954,934.56x = 113,109,345.96 × 52,176,070.74
  4. Step 4: Simplify right side
    81,954,934.56x = 5,901,601,236,164,093
  5. Step 5: Solve for x
    x = 5,901,601,236,164,093/81,954,934.56
  6. Step 6: Final answer
    x = 72,010,322.11

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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.