Home / 171,072,001.30-256,608,001.95-43,421,185.30

Finding the Fourth Proportional to 171,072,001.30, 256,608,001.95 and 43,421,185.30

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Solution

The fourth proportional to 171,072,001.30, 256,608,001.95 and 43,421,185.30 is: 65,131,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,001.30 : 256,608,001.95 = 43,421,185.30 : x
  2. Step 2: Convert to fraction form
    171,072,001.30/256,608,001.95 = 43,421,185.30/x
  3. Step 3: Cross multiply
    171,072,001.30x = 256,608,001.95 × 43,421,185.30
  4. Step 4: Simplify right side
    171,072,001.30x = 11,142,223,602,133,710
  5. Step 5: Solve for x
    x = 11,142,223,602,133,710/171,072,001.30
  6. Step 6: Final answer
    x = 65,131,777.95

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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.