Home / 222,535,035.18-307,116,733.28-123,447,729.51

Finding the Fourth Proportional to 222,535,035.18, 307,116,733.28 and 123,447,729.51

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Solution

The fourth proportional to 222,535,035.18, 307,116,733.28 and 123,447,729.51 is: 170,368,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,535,035.18 : 307,116,733.28 = 123,447,729.51 : x
  2. Step 2: Convert to fraction form
    222,535,035.18/307,116,733.28 = 123,447,729.51/x
  3. Step 3: Cross multiply
    222,535,035.18x = 307,116,733.28 × 123,447,729.51
  4. Step 4: Simplify right side
    222,535,035.18x = 37,912,863,417,327,016
  5. Step 5: Solve for x
    x = 37,912,863,417,327,016/222,535,035.18
  6. Step 6: Final answer
    x = 170,368,065.36

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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.