Home / 79,293,931.68-109,464,073.20-53,178,896.64

Finding the Fourth Proportional to 79,293,931.68, 109,464,073.20 and 53,178,896.64

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Solution

The fourth proportional to 79,293,931.68, 109,464,073.20 and 53,178,896.64 is: 73,412,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,293,931.68 : 109,464,073.20 = 53,178,896.64 : x
  2. Step 2: Convert to fraction form
    79,293,931.68/109,464,073.20 = 53,178,896.64/x
  3. Step 3: Cross multiply
    79,293,931.68x = 109,464,073.20 × 53,178,896.64
  4. Step 4: Simplify right side
    79,293,931.68x = 5,821,178,634,496,194
  5. Step 5: Solve for x
    x = 5,821,178,634,496,194/79,293,931.68
  6. Step 6: Final answer
    x = 73,412,662.37

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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.