Home / 82,506,914.94-113,852,877.42-47,701,848.78

Finding the Fourth Proportional to 82,506,914.94, 113,852,877.42 and 47,701,848.78

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Solution

The fourth proportional to 82,506,914.94, 113,852,877.42 and 47,701,848.78 is: 65,824,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,506,914.94 : 113,852,877.42 = 47,701,848.78 : x
  2. Step 2: Convert to fraction form
    82,506,914.94/113,852,877.42 = 47,701,848.78/x
  3. Step 3: Cross multiply
    82,506,914.94x = 113,852,877.42 × 47,701,848.78
  4. Step 4: Simplify right side
    82,506,914.94x = 5,430,992,741,856,717
  5. Step 5: Solve for x
    x = 5,430,992,741,856,717/82,506,914.94
  6. Step 6: Final answer
    x = 65,824,697.79

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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.