Home / 43,143,944.60-64,479,514.75-31,496,843.12

Finding the Fourth Proportional to 43,143,944.60, 64,479,514.75 and 31,496,843.12

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Solution

The fourth proportional to 43,143,944.60, 64,479,514.75 and 31,496,843.12 is: 47,072,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143,944.60 : 64,479,514.75 = 31,496,843.12 : x
  2. Step 2: Convert to fraction form
    43,143,944.60/64,479,514.75 = 31,496,843.12/x
  3. Step 3: Cross multiply
    43,143,944.60x = 64,479,514.75 × 31,496,843.12
  4. Step 4: Simplify right side
    43,143,944.60x = 2,030,901,160,493,247.50
  5. Step 5: Solve for x
    x = 2,030,901,160,493,247.50/43,143,944.60
  6. Step 6: Final answer
    x = 47,072,681.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.