Home / 218,629,010.70-327,943,516.05-57,070,946.70

Finding the Fourth Proportional to 218,629,010.70, 327,943,516.05 and 57,070,946.70

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Solution

The fourth proportional to 218,629,010.70, 327,943,516.05 and 57,070,946.70 is: 85,606,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,629,010.70 : 327,943,516.05 = 57,070,946.70 : x
  2. Step 2: Convert to fraction form
    218,629,010.70/327,943,516.05 = 57,070,946.70/x
  3. Step 3: Cross multiply
    218,629,010.70x = 327,943,516.05 × 57,070,946.70
  4. Step 4: Simplify right side
    218,629,010.70x = 18,716,046,925,100,148
  5. Step 5: Solve for x
    x = 18,716,046,925,100,148/218,629,010.70
  6. Step 6: Final answer
    x = 85,606,420.05

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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.