Home / 171,072,007.20-256,608,010.80-106,574,752.80

Finding the Fourth Proportional to 171,072,007.20, 256,608,010.80 and 106,574,752.80

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Solution

The fourth proportional to 171,072,007.20, 256,608,010.80 and 106,574,752.80 is: 159,862,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,007.20 : 256,608,010.80 = 106,574,752.80 : x
  2. Step 2: Convert to fraction form
    171,072,007.20/256,608,010.80 = 106,574,752.80/x
  3. Step 3: Cross multiply
    171,072,007.20x = 256,608,010.80 × 106,574,752.80
  4. Step 4: Simplify right side
    171,072,007.20x = 27,347,935,317,509,732
  5. Step 5: Solve for x
    x = 27,347,935,317,509,732/171,072,007.20
  6. Step 6: Final answer
    x = 159,862,129.20

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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.