Home / 266,604,380.64-367,765,936.20-155,082,666.96

Finding the Fourth Proportional to 266,604,380.64, 367,765,936.20 and 155,082,666.96

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Solution

The fourth proportional to 266,604,380.64, 367,765,936.20 and 155,082,666.96 is: 213,927,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,604,380.64 : 367,765,936.20 = 155,082,666.96 : x
  2. Step 2: Convert to fraction form
    266,604,380.64/367,765,936.20 = 155,082,666.96/x
  3. Step 3: Cross multiply
    266,604,380.64x = 367,765,936.20 × 155,082,666.96
  4. Step 4: Simplify right side
    266,604,380.64x = 57,034,122,202,937,208
  5. Step 5: Solve for x
    x = 57,034,122,202,937,208/266,604,380.64
  6. Step 6: Final answer
    x = 213,927,925.96

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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.