Home / 82,715,046.81-124,072,725.73-34,139,618.97

Finding the Fourth Proportional to 82,715,046.81, 124,072,725.73 and 34,139,618.97

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Solution

The fourth proportional to 82,715,046.81, 124,072,725.73 and 34,139,618.97 is: 51,209,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715,046.81 : 124,072,725.73 = 34,139,618.97 : x
  2. Step 2: Convert to fraction form
    82,715,046.81/124,072,725.73 = 34,139,618.97/x
  3. Step 3: Cross multiply
    82,715,046.81x = 124,072,725.73 × 34,139,618.97
  4. Step 4: Simplify right side
    82,715,046.81x = 4,235,795,580,991,515
  5. Step 5: Solve for x
    x = 4,235,795,580,991,515/82,715,046.81
  6. Step 6: Final answer
    x = 51,209,492.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.