Home / 210,805,505,126.88-290,903,437,903.92-114,459,386,437.86

Finding the Fourth Proportional to 210,805,505,126.88, 290,903,437,903.92 and 114,459,386,437.86

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Solution

The fourth proportional to 210,805,505,126.88, 290,903,437,903.92 and 114,459,386,437.86 is: 157,949,523,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,805,505,126.88 : 290,903,437,903.92 = 114,459,386,437.86 : x
  2. Step 2: Convert to fraction form
    210,805,505,126.88/290,903,437,903.92 = 114,459,386,437.86/x
  3. Step 3: Cross multiply
    210,805,505,126.88x = 290,903,437,903.92 × 114,459,386,437.86
  4. Step 4: Simplify right side
    210,805,505,126.88x = 33,296,629,015,146,785,669,120
  5. Step 5: Solve for x
    x = 33,296,629,015,146,785,669,120/210,805,505,126.88
  6. Step 6: Final answer
    x = 157,949,523,164.05

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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.