Home / 193,234,733.92-266,666,047.28-105,129,232.48

Finding the Fourth Proportional to 193,234,733.92, 266,666,047.28 and 105,129,232.48

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Solution

The fourth proportional to 193,234,733.92, 266,666,047.28 and 105,129,232.48 is: 145,079,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,234,733.92 : 266,666,047.28 = 105,129,232.48 : x
  2. Step 2: Convert to fraction form
    193,234,733.92/266,666,047.28 = 105,129,232.48/x
  3. Step 3: Cross multiply
    193,234,733.92x = 266,666,047.28 × 105,129,232.48
  4. Step 4: Simplify right side
    193,234,733.92x = 28,034,396,879,021,792
  5. Step 5: Solve for x
    x = 28,034,396,879,021,792/193,234,733.92
  6. Step 6: Final answer
    x = 145,079,491.20

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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.