Home / 149,568,678.78-224,382,105.24-57,445,677.78

Finding the Fourth Proportional to 149,568,678.78, 224,382,105.24 and 57,445,677.78

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Solution

The fourth proportional to 149,568,678.78, 224,382,105.24 and 57,445,677.78 is: 86,179,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,568,678.78 : 224,382,105.24 = 57,445,677.78 : x
  2. Step 2: Convert to fraction form
    149,568,678.78/224,382,105.24 = 57,445,677.78/x
  3. Step 3: Cross multiply
    149,568,678.78x = 224,382,105.24 × 57,445,677.78
  4. Step 4: Simplify right side
    149,568,678.78x = 12,889,782,117,215,090
  5. Step 5: Solve for x
    x = 12,889,782,117,215,090/149,568,678.78
  6. Step 6: Final answer
    x = 86,179,688.30

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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.