Home / 139,998,406,371.20-210,006,972,068.16-49,228,978,577.28

Finding the Fourth Proportional to 139,998,406,371.20, 210,006,972,068.16 and 49,228,978,577.28

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Solution

The fourth proportional to 139,998,406,371.20, 210,006,972,068.16 and 49,228,978,577.28 is: 73,846,760,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,998,406,371.20 : 210,006,972,068.16 = 49,228,978,577.28 : x
  2. Step 2: Convert to fraction form
    139,998,406,371.20/210,006,972,068.16 = 49,228,978,577.28/x
  3. Step 3: Cross multiply
    139,998,406,371.20x = 210,006,972,068.16 × 49,228,978,577.28
  4. Step 4: Simplify right side
    139,998,406,371.20x = 10,338,428,729,022,887,231,488
  5. Step 5: Solve for x
    x = 10,338,428,729,022,887,231,488/139,998,406,371.20
  6. Step 6: Final answer
    x = 73,846,760,095.33

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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.