Home / 189,535,615.40-284,320,771.14-53,220,080.36

Finding the Fourth Proportional to 189,535,615.40, 284,320,771.14 and 53,220,080.36

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Solution

The fourth proportional to 189,535,615.40, 284,320,771.14 and 53,220,080.36 is: 79,834,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,535,615.40 : 284,320,771.14 = 53,220,080.36 : x
  2. Step 2: Convert to fraction form
    189,535,615.40/284,320,771.14 = 53,220,080.36/x
  3. Step 3: Cross multiply
    189,535,615.40x = 284,320,771.14 × 53,220,080.36
  4. Step 4: Simplify right side
    189,535,615.40x = 15,131,574,288,087,968
  5. Step 5: Solve for x
    x = 15,131,574,288,087,968/189,535,615.40
  6. Step 6: Final answer
    x = 79,834,991.73

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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.