Home / 266,300,461-367,505,985.62-148,825,787.79

Finding the Fourth Proportional to 266,300,461, 367,505,985.62 and 148,825,787.79

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Solution

The fourth proportional to 266,300,461, 367,505,985.62 and 148,825,787.79 is: 205,385,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,300,461 : 367,505,985.62 = 148,825,787.79 : x
  2. Step 2: Convert to fraction form
    266,300,461/367,505,985.62 = 148,825,787.79/x
  3. Step 3: Cross multiply
    266,300,461x = 367,505,985.62 × 148,825,787.79
  4. Step 4: Simplify right side
    266,300,461x = 54,694,367,825,971,448
  5. Step 5: Solve for x
    x = 54,694,367,825,971,448/266,300,461
  6. Step 6: Final answer
    x = 205,385,929.94

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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.