Home / 68,749,491.38-94,872,404.67-37,809,671.90

Finding the Fourth Proportional to 68,749,491.38, 94,872,404.67 and 37,809,671.90

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Solution

The fourth proportional to 68,749,491.38, 94,872,404.67 and 37,809,671.90 is: 52,176,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,749,491.38 : 94,872,404.67 = 37,809,671.90 : x
  2. Step 2: Convert to fraction form
    68,749,491.38/94,872,404.67 = 37,809,671.90/x
  3. Step 3: Cross multiply
    68,749,491.38x = 94,872,404.67 × 37,809,671.90
  4. Step 4: Simplify right side
    68,749,491.38x = 3,587,094,492,936,727.50
  5. Step 5: Solve for x
    x = 3,587,094,492,936,727.50/68,749,491.38
  6. Step 6: Final answer
    x = 52,176,305.90

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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.