Home / 171,072,573.80-256,608,860.70-103,048,125.80

Finding the Fourth Proportional to 171,072,573.80, 256,608,860.70 and 103,048,125.80

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Solution

The fourth proportional to 171,072,573.80, 256,608,860.70 and 103,048,125.80 is: 154,572,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,573.80 : 256,608,860.70 = 103,048,125.80 : x
  2. Step 2: Convert to fraction form
    171,072,573.80/256,608,860.70 = 103,048,125.80/x
  3. Step 3: Cross multiply
    171,072,573.80x = 256,608,860.70 × 103,048,125.80
  4. Step 4: Simplify right side
    171,072,573.80x = 26,443,062,158,808,276
  5. Step 5: Solve for x
    x = 26,443,062,158,808,276/171,072,573.80
  6. Step 6: Final answer
    x = 154,572,188.70

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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.