Home / 129,990,227.95-194,983,373.64-31,622,860.81

Finding the Fourth Proportional to 129,990,227.95, 194,983,373.64 and 31,622,860.81

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Solution

The fourth proportional to 129,990,227.95, 194,983,373.64 and 31,622,860.81 is: 47,433,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,990,227.95 : 194,983,373.64 = 31,622,860.81 : x
  2. Step 2: Convert to fraction form
    129,990,227.95/194,983,373.64 = 31,622,860.81/x
  3. Step 3: Cross multiply
    129,990,227.95x = 194,983,373.64 × 31,622,860.81
  4. Step 4: Simplify right side
    129,990,227.95x = 6,165,932,084,881,942
  5. Step 5: Solve for x
    x = 6,165,932,084,881,942/129,990,227.95
  6. Step 6: Final answer
    x = 47,433,812.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.