Home / 81,247,663.50-112,121,992.96-44,077,943.78

Finding the Fourth Proportional to 81,247,663.50, 112,121,992.96 and 44,077,943.78

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Solution

The fourth proportional to 81,247,663.50, 112,121,992.96 and 44,077,943.78 is: 60,827,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,247,663.50 : 112,121,992.96 = 44,077,943.78 : x
  2. Step 2: Convert to fraction form
    81,247,663.50/112,121,992.96 = 44,077,943.78/x
  3. Step 3: Cross multiply
    81,247,663.50x = 112,121,992.96 × 44,077,943.78
  4. Step 4: Simplify right side
    81,247,663.50x = 4,942,106,901,411,436
  5. Step 5: Solve for x
    x = 4,942,106,901,411,436/81,247,663.50
  6. Step 6: Final answer
    x = 60,827,680.31

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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.