Home / 193,234,731.92-266,666,044.52-105,129,230.48

Finding the Fourth Proportional to 193,234,731.92, 266,666,044.52 and 105,129,230.48

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Solution

The fourth proportional to 193,234,731.92, 266,666,044.52 and 105,129,230.48 is: 145,079,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,234,731.92 : 266,666,044.52 = 105,129,230.48 : x
  2. Step 2: Convert to fraction form
    193,234,731.92/266,666,044.52 = 105,129,230.48/x
  3. Step 3: Cross multiply
    193,234,731.92x = 266,666,044.52 × 105,129,230.48
  4. Step 4: Simplify right side
    193,234,731.92x = 28,034,396,055,533,024
  5. Step 5: Solve for x
    x = 28,034,396,055,533,024/193,234,731.92
  6. Step 6: Final answer
    x = 145,079,488.44

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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.