Home / 304,782,937.28-420,608,277.96-165,561,666.56

Finding the Fourth Proportional to 304,782,937.28, 420,608,277.96 and 165,561,666.56

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Solution

The fourth proportional to 304,782,937.28, 420,608,277.96 and 165,561,666.56 is: 228,479,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,782,937.28 : 420,608,277.96 = 165,561,666.56 : x
  2. Step 2: Convert to fraction form
    304,782,937.28/420,608,277.96 = 165,561,666.56/x
  3. Step 3: Cross multiply
    304,782,937.28x = 420,608,277.96 × 165,561,666.56
  4. Step 4: Simplify right side
    304,782,937.28x = 69,636,607,467,989,312
  5. Step 5: Solve for x
    x = 69,636,607,467,989,312/304,782,937.28
  6. Step 6: Final answer
    x = 228,479,350.22

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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.