Home / 52,497,271.20-78,745,906.80-49,138,039.20

Finding the Fourth Proportional to 52,497,271.20, 78,745,906.80 and 49,138,039.20

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Solution

The fourth proportional to 52,497,271.20, 78,745,906.80 and 49,138,039.20 is: 73,707,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497,271.20 : 78,745,906.80 = 49,138,039.20 : x
  2. Step 2: Convert to fraction form
    52,497,271.20/78,745,906.80 = 49,138,039.20/x
  3. Step 3: Cross multiply
    52,497,271.20x = 78,745,906.80 × 49,138,039.20
  4. Step 4: Simplify right side
    52,497,271.20x = 3,869,419,455,177,946.50
  5. Step 5: Solve for x
    x = 3,869,419,455,177,946.50/52,497,271.20
  6. Step 6: Final answer
    x = 73,707,058.80

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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.