Home / 193,285,969,478.52-266,742,905,002.36-107,646,921,490.94

Finding the Fourth Proportional to 193,285,969,478.52, 266,742,905,002.36 and 107,646,921,490.94

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Solution

The fourth proportional to 193,285,969,478.52, 266,742,905,002.36 and 107,646,921,490.94 is: 148,557,355,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,285,969,478.52 : 266,742,905,002.36 = 107,646,921,490.94 : x
  2. Step 2: Convert to fraction form
    193,285,969,478.52/266,742,905,002.36 = 107,646,921,490.94/x
  3. Step 3: Cross multiply
    193,285,969,478.52x = 266,742,905,002.36 × 107,646,921,490.94
  4. Step 4: Simplify right side
    193,285,969,478.52x = 28,714,052,553,054,311,415,808
  5. Step 5: Solve for x
    x = 28,714,052,553,054,311,415,808/193,285,969,478.52
  6. Step 6: Final answer
    x = 148,557,355,872.88

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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.