Home / 266,643,858.08-399,925,374.86-72,570,396.62

Finding the Fourth Proportional to 266,643,858.08, 399,925,374.86 and 72,570,396.62

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Solution

The fourth proportional to 266,643,858.08, 399,925,374.86 and 72,570,396.62 is: 108,844,596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,643,858.08 : 399,925,374.86 = 72,570,396.62 : x
  2. Step 2: Convert to fraction form
    266,643,858.08/399,925,374.86 = 72,570,396.62/x
  3. Step 3: Cross multiply
    266,643,858.08x = 399,925,374.86 × 72,570,396.62
  4. Step 4: Simplify right side
    266,643,858.08x = 29,022,743,071,992,380
  5. Step 5: Solve for x
    x = 29,022,743,071,992,380/266,643,858.08
  6. Step 6: Final answer
    x = 108,844,596.24

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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.