Home / 189,535,614.40-284,320,769.64-53,220,079.36

Finding the Fourth Proportional to 189,535,614.40, 284,320,769.64 and 53,220,079.36

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Solution

The fourth proportional to 189,535,614.40, 284,320,769.64 and 53,220,079.36 is: 79,834,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,535,614.40 : 284,320,769.64 = 53,220,079.36 : x
  2. Step 2: Convert to fraction form
    189,535,614.40/284,320,769.64 = 53,220,079.36/x
  3. Step 3: Cross multiply
    189,535,614.40x = 284,320,769.64 × 53,220,079.36
  4. Step 4: Simplify right side
    189,535,614.40x = 15,131,573,923,937,078
  5. Step 5: Solve for x
    x = 15,131,573,923,937,078/189,535,614.40
  6. Step 6: Final answer
    x = 79,834,990.23

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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.