Home / 68,654,576.39-94,768,176.56-45,457,176.74

Finding the Fourth Proportional to 68,654,576.39, 94,768,176.56 and 45,457,176.74

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Solution

The fourth proportional to 68,654,576.39, 94,768,176.56 and 45,457,176.74 is: 62,747,364.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,654,576.39 : 94,768,176.56 = 45,457,176.74 : x
  2. Step 2: Convert to fraction form
    68,654,576.39/94,768,176.56 = 45,457,176.74/x
  3. Step 3: Cross multiply
    68,654,576.39x = 94,768,176.56 × 45,457,176.74
  4. Step 4: Simplify right side
    68,654,576.39x = 4,307,893,750,514,318.50
  5. Step 5: Solve for x
    x = 4,307,893,750,514,318.50/68,654,576.39
  6. Step 6: Final answer
    x = 62,747,364.81

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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.