Home / 272,145,681.44-408,220,148.72-67,673,756.72

Finding the Fourth Proportional to 272,145,681.44, 408,220,148.72 and 67,673,756.72

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Solution

The fourth proportional to 272,145,681.44, 408,220,148.72 and 67,673,756.72 is: 101,511,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,145,681.44 : 408,220,148.72 = 67,673,756.72 : x
  2. Step 2: Convert to fraction form
    272,145,681.44/408,220,148.72 = 67,673,756.72/x
  3. Step 3: Cross multiply
    272,145,681.44x = 408,220,148.72 × 67,673,756.72
  4. Step 4: Simplify right side
    272,145,681.44x = 27,625,791,032,679,500
  5. Step 5: Solve for x
    x = 27,625,791,032,679,500/272,145,681.44
  6. Step 6: Final answer
    x = 101,511,039.55

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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.