Home / 112,269,025.20-168,403,537.80-63,728,122.80

Finding the Fourth Proportional to 112,269,025.20, 168,403,537.80 and 63,728,122.80

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Solution

The fourth proportional to 112,269,025.20, 168,403,537.80 and 63,728,122.80 is: 95,592,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269,025.20 : 168,403,537.80 = 63,728,122.80 : x
  2. Step 2: Convert to fraction form
    112,269,025.20/168,403,537.80 = 63,728,122.80/x
  3. Step 3: Cross multiply
    112,269,025.20x = 168,403,537.80 × 63,728,122.80
  4. Step 4: Simplify right side
    112,269,025.20x = 10,732,041,336,872,842
  5. Step 5: Solve for x
    x = 10,732,041,336,872,842/112,269,025.20
  6. Step 6: Final answer
    x = 95,592,184.20

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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.