Home / 218,439,614.85-301,446,656.90-117,968,043.58

Finding the Fourth Proportional to 218,439,614.85, 301,446,656.90 and 117,968,043.58

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Solution

The fourth proportional to 218,439,614.85, 301,446,656.90 and 117,968,043.58 is: 162,795,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,439,614.85 : 301,446,656.90 = 117,968,043.58 : x
  2. Step 2: Convert to fraction form
    218,439,614.85/301,446,656.90 = 117,968,043.58/x
  3. Step 3: Cross multiply
    218,439,614.85x = 301,446,656.90 × 117,968,043.58
  4. Step 4: Simplify right side
    218,439,614.85x = 35,561,072,356,127,432
  5. Step 5: Solve for x
    x = 35,561,072,356,127,432/218,439,614.85
  6. Step 6: Final answer
    x = 162,795,893.87

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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.