Home / 189,535,765.32-284,320,998.18-53,220,230.28

Finding the Fourth Proportional to 189,535,765.32, 284,320,998.18 and 53,220,230.28

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Solution

The fourth proportional to 189,535,765.32, 284,320,998.18 and 53,220,230.28 is: 79,835,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,535,765.32 : 284,320,998.18 = 53,220,230.28 : x
  2. Step 2: Convert to fraction form
    189,535,765.32/284,320,998.18 = 53,220,230.28/x
  3. Step 3: Cross multiply
    189,535,765.32x = 284,320,998.18 × 53,220,230.28
  4. Step 4: Simplify right side
    189,535,765.32x = 15,131,628,996,579,062
  5. Step 5: Solve for x
    x = 15,131,628,996,579,062/189,535,765.32
  6. Step 6: Final answer
    x = 79,835,217.23

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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.