Home / 193,356,599.60-266,835,511.92-105,253,129.64

Finding the Fourth Proportional to 193,356,599.60, 266,835,511.92 and 105,253,129.64

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Solution

The fourth proportional to 193,356,599.60, 266,835,511.92 and 105,253,129.64 is: 145,251,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,356,599.60 : 266,835,511.92 = 105,253,129.64 : x
  2. Step 2: Convert to fraction form
    193,356,599.60/266,835,511.92 = 105,253,129.64/x
  3. Step 3: Cross multiply
    193,356,599.60x = 266,835,511.92 × 105,253,129.64
  4. Step 4: Simplify right side
    193,356,599.60x = 28,085,272,728,671,524
  5. Step 5: Solve for x
    x = 28,085,272,728,671,524/193,356,599.60
  6. Step 6: Final answer
    x = 145,251,172.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.