Home / 197,643,499.64-272,748,054.89-109,543,185.03

Finding the Fourth Proportional to 197,643,499.64, 272,748,054.89 and 109,543,185.03

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Solution

The fourth proportional to 197,643,499.64, 272,748,054.89 and 109,543,185.03 is: 151,169,609.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,643,499.64 : 272,748,054.89 = 109,543,185.03 : x
  2. Step 2: Convert to fraction form
    197,643,499.64/272,748,054.89 = 109,543,185.03/x
  3. Step 3: Cross multiply
    197,643,499.64x = 272,748,054.89 × 109,543,185.03
  4. Step 4: Simplify right side
    197,643,499.64x = 29,877,690,643,661,724
  5. Step 5: Solve for x
    x = 29,877,690,643,661,724/197,643,499.64
  6. Step 6: Final answer
    x = 151,169,609.42

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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.