Home / 304,485,699.79-420,190,674.83-165,256,463.53

Finding the Fourth Proportional to 304,485,699.79, 420,190,674.83 and 165,256,463.53

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Solution

The fourth proportional to 304,485,699.79, 420,190,674.83 and 165,256,463.53 is: 228,054,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,699.79 : 420,190,674.83 = 165,256,463.53 : x
  2. Step 2: Convert to fraction form
    304,485,699.79/420,190,674.83 = 165,256,463.53/x
  3. Step 3: Cross multiply
    304,485,699.79x = 420,190,674.83 × 165,256,463.53
  4. Step 4: Simplify right side
    304,485,699.79x = 69,439,224,930,689,984
  5. Step 5: Solve for x
    x = 69,439,224,930,689,984/304,485,699.79
  6. Step 6: Final answer
    x = 228,054,141.72

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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.