Home / 257,047,152.73-385,583,129.39-84,520,146.49

Finding the Fourth Proportional to 257,047,152.73, 385,583,129.39 and 84,520,146.49

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Solution

The fourth proportional to 257,047,152.73, 385,583,129.39 and 84,520,146.49 is: 126,784,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,047,152.73 : 385,583,129.39 = 84,520,146.49 : x
  2. Step 2: Convert to fraction form
    257,047,152.73/385,583,129.39 = 84,520,146.49/x
  3. Step 3: Cross multiply
    257,047,152.73x = 385,583,129.39 × 84,520,146.49
  4. Step 4: Simplify right side
    257,047,152.73x = 32,589,542,580,115,420
  5. Step 5: Solve for x
    x = 32,589,542,580,115,420/257,047,152.73
  6. Step 6: Final answer
    x = 126,784,297.10

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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.