Home / 84,959,839.98-117,253,644.66-49,688,428.86

Finding the Fourth Proportional to 84,959,839.98, 117,253,644.66 and 49,688,428.86

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Solution

The fourth proportional to 84,959,839.98, 117,253,644.66 and 49,688,428.86 is: 68,575,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,959,839.98 : 117,253,644.66 = 49,688,428.86 : x
  2. Step 2: Convert to fraction form
    84,959,839.98/117,253,644.66 = 49,688,428.86/x
  3. Step 3: Cross multiply
    84,959,839.98x = 117,253,644.66 × 49,688,428.86
  4. Step 4: Simplify right side
    84,959,839.98x = 5,826,149,381,264,129
  5. Step 5: Solve for x
    x = 5,826,149,381,264,129/84,959,839.98
  6. Step 6: Final answer
    x = 68,575,333.74

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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.