Home / 189,635,386.36-284,453,190.26-53,320,769.86

Finding the Fourth Proportional to 189,635,386.36, 284,453,190.26 and 53,320,769.86

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Solution

The fourth proportional to 189,635,386.36, 284,453,190.26 and 53,320,769.86 is: 79,981,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,635,386.36 : 284,453,190.26 = 53,320,769.86 : x
  2. Step 2: Convert to fraction form
    189,635,386.36/284,453,190.26 = 53,320,769.86/x
  3. Step 3: Cross multiply
    189,635,386.36x = 284,453,190.26 × 53,320,769.86
  4. Step 4: Simplify right side
    189,635,386.36x = 15,167,263,093,402,520
  5. Step 5: Solve for x
    x = 15,167,263,093,402,520/189,635,386.36
  6. Step 6: Final answer
    x = 79,981,185.92

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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.