Home / 171,072,147.30-256,608,220.95-103,047,699.30

Finding the Fourth Proportional to 171,072,147.30, 256,608,220.95 and 103,047,699.30

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Solution

The fourth proportional to 171,072,147.30, 256,608,220.95 and 103,047,699.30 is: 154,571,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,147.30 : 256,608,220.95 = 103,047,699.30 : x
  2. Step 2: Convert to fraction form
    171,072,147.30/256,608,220.95 = 103,047,699.30/x
  3. Step 3: Cross multiply
    171,072,147.30x = 256,608,220.95 × 103,047,699.30
  4. Step 4: Simplify right side
    171,072,147.30x = 26,442,886,790,363,560
  5. Step 5: Solve for x
    x = 26,442,886,790,363,560/171,072,147.30
  6. Step 6: Final answer
    x = 154,571,548.95

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Similar ratio
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1.5x scale

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.